{"title":"Lochinvar","description":"\u003cp\u003e\u003cspan\u003eHigh-efficiency commercial water heaters, condensing boilers, and specialized hydronic system components from Lochinvar. Designed for high-output reliability in mechanical rooms.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"lochinvar-crest-slimshield-1-0-million-btu-commercial-condensing-boiler","title":"Lochinvar Crest SlimShield 1.0 Million BTU Commercial Condensing Boiler – Model FBN1001","description":"\u003cp\u003eThe Lochinvar Crest SlimShield is a high-capacity, 1.0 Million BTU commercial condensing boiler engineered for exceptional thermal efficiency and maximum output within an ultra-narrow footprint. Featuring advanced modulating burner technology and a robust stainless steel fire-tube heat exchanger, the Crest SlimShield series delivers an outstanding \u003cb\u003e96.2%\u003c\/b\u003e thermal efficiency rating, making it the premier choice for large-scale institutional retrofits, district heating, and demanding commercial new construction projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eKey Performance Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003ePatented Wave Fire-Tube Heat Exchanger:\u003c\/b\u003e Built with a premium, corrosion-resistant stainless steel heat exchanger that optimizes heat transfer while providing superior resistance to thermal stress and varying flow rates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSlimShield Space-Saving Profile:\u003c\/b\u003e The advanced vertical cabinet design allows this 1.0M BTU powerhouse to easily roll through standard 36-inch commercial doorways, drastically simplifying rigging and mechanical room installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSmartTouch Control Integration:\u003c\/b\u003e Equipped with a built-in touchscreen control system that offers outdoor reset functionality, cascading controls for up to 8 boilers, and seamless BMS communication protocols.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003e20:1 Turndown Modulating Burner:\u003c\/b\u003e Precisely matches building heat loads down to 5% of maximum output, eliminating short-cycling and radically reducing seasonal fuel consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eApplication \u0026amp; Engineering Compliance:\u003c\/b\u003e The Crest SlimShield supports versatile venting options using PVC, CPVC, Polypropylene, or Stainless Steel. It is ASME certified, CSA design certified, and meets the most stringent Low-NOx emission standards required for modern green building compliance.\u003c\/p\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":42829283328094,"sku":null,"price":51671.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar-Crest-FBN1001-Commercial-Boiler.jpg?v=1780919632"},{"product_id":"lv-crest-fb0750","title":"Lochinvar Crest 750000 BTU Condensing Boiler","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eLochinvar Crest® FBN0751\u003c\/strong\u003e is a commercial floor-mount condensing gas boiler delivering a precise input of 750,000 BTU\/hr and a thermal efficiency rating of up to 96.2%. Engineered to revolutionize modern hydronic heating plant design, the Crest series utilizes a highly advanced, single-pass Wave Fire-Tube heat exchanger construction. This design achieves exceptional heat transfer while keeping waterside pressure drops low, allowing easy integration into variable primary or full-flow configurations without complex primary\/secondary piping.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    Equipped with a top-mounted micro-metal fiber burner and a negative regulation combustion framework, the boiler delivers smooth, quiet operation with an ultra-wide 15:1 modulation turndown ratio. It runs reliably even under drops in local utility gas pressures down to 4 inches water column. System diagnostics are managed through Lochinvar's signature SMART TOUCH™ touchscreen dashboard featuring CON·X·US® remote connectivity, letting facility teams monitor operation or adjust parameters from a remote location.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":42839826399326,"sku":"LV-CRST-FB0750","price":14553.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar-Crest-FBN1001-Commercial-Boiler.jpg?v=1780919632"},{"product_id":"loch-100208534","title":"Lochinvar Knight Boiler Igniter Assembly - 100208534","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eLochinvar Knight Boiler Igniter Assembly (100208534)\u003c\/strong\u003e is a high-performance boiler part engineered to deliver premium hydronic efficiency and reliability. Built with a heavy-duty ceramic housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for residential, commercial, and industrial hydronic application loops.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    Serving as a mission-critical safety and ignition mechanism for the high-efficiency Lochinvar Knight boiler series, this authentic factory OEM igniter assembly creates a rapid thermal reaction to smoothly initiate fuel combustion. Manufactured with commercial-grade dielectric ceramic shielding and high-performance terminal prongs, it resists structural cracking and degradation from continuous firing cycles. Replacing an oxidized, fouled, or old igniter assembly with this genuine component optimizes combustion efficiency, eliminates noisy delayed ignition rumble, and solves persistent flame rectification signal issues.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"margin-top: 25px; margin-bottom: 20px;\"\u003e\n    \u003ch4 style=\"font-size: 16px; font-weight: bold; margin-bottom: 10px; color: #111111; border-bottom: 2px solid #111111; padding-bottom: 5px;\"\u003eAdvanced Engineering Features:\u003c\/h4\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #333333; line-height: 1.6;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHigh-Density Ceramic Base Shielding:\u003c\/strong\u003e Fortified ceramic insulating body acts as an electrical firewall, preventing dangerous voltage arcing to the outer burner plate assembly.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOEM Metal Gasket Flange:\u003c\/strong\u003e Built to tight structural specifications to maintain an airtight, pressurized seal over the combustion block chamber.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOptimized Sensing Compatibility:\u003c\/strong\u003e Precision calibrated material characteristics allow the component to interface with smart boiler control boards to ensure clean flame sensing verification.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":42910019715166,"sku":"100208534","price":113.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar_100208534_Knight_boiler_replacement_igniter_assembly_featuring_an_insulated_white_ceramic_rod_flat_metal_mounting_gasket_flange_and_attached_wire_connection_terminal_lead..jpg?v=1782001575"},{"product_id":"loch-100208630","title":"Lochinvar 100208630 Spark Electrode Ignition Harness","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eLochinvar 100208630 Spark Electrode Ignition Harness (32\")\u003c\/strong\u003e is a high-performance boiler part engineered to deliver premium hydronic efficiency and reliability. Built with a heavy-duty insulated housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for residential, commercial, and industrial hydronic application loops.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    As an authentic OEM replacement element designed for commercial boilers and high-output water heaters, this 32-inch high-tension ignition cable safely transfers high-voltage electrical arcs to the burner system during the trial-for-ignition sequence. Engineered to resist heavy thermal cycling and eliminate voltage bleed inside the combustion module, it features factory-terminated connectors that snap cleanly onto the smart control terminal board. Swapping out worn, cracked, or degraded ignition leads with this genuine component helps prevent nuisance flame lockout errors and ensures swift, dependable fuel ignition.\n  \u003c\/p\u003e\n\n  \u003c!-- Advanced Engineering Features Bullets --\u003e\n  \u003cdiv style=\"margin-top: 25px; margin-bottom: 20px;\"\u003e\n    \u003ch4 style=\"font-size: 16px; font-weight: bold; margin-bottom: 10px; color: #111111; border-bottom: 2px solid #111111; padding-bottom: 5px;\"\u003eAdvanced Engineering Features:\u003c\/h4\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #333333; line-height: 1.6;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePremium High-Tension Insulation:\u003c\/strong\u003e Heavy dielectric shielding prevents electrical current leakage and resists thermal tracking inside crowded control jackets.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eExact 32-Inch Extension Blueprint:\u003c\/strong\u003e Clean, un-stretched reach from the electronic ignition control board straight to the main electrode assembly.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSecure OEM Modular Snaps:\u003c\/strong\u003e Factory-set terminations deliver tight, low-resistance connections that hold fast under prolonged system vibrations.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":42910019813470,"sku":"100208630","price":68.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar_100208630_factory_OEM_32-inch_spark_electrode_ignition_wire_harness..jpg?v=1782001002"},{"product_id":"loch-100167905","title":"Lochinvar 2\"\" NPT Commercial Relief Valve 150 PSI - 100167905","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eLochinvar 2\" NPT Commercial Relief Valve (150 PSI)\u003c\/strong\u003e is a high-performance boiler part engineered to deliver premium hydronic efficiency and reliability. Built with a heavy-duty brass housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for residential, commercial, and industrial hydronic application loops.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    Designed specifically as a safety safeguard for high-capacity commercial water heaters and industrial boiler configurations, this relief valve provides precise over-pressure management. Rated at a maximum threshold of 150 PSI, the valve automatically opens to discharge fluid volumes if internal pressures surpass engineered operating limits. The 2\" female NPT threaded infrastructure ensures streamlined alignment with heavy commercial headers, protecting expensive piping layouts and primary heating vessels from catastrophic stress damage.\n  \u003c\/p\u003e\n\n  \u003c!-- Advanced Engineering Features Bullets --\u003e\n  \u003cdiv style=\"margin-top: 25px; margin-bottom: 20px;\"\u003e\n    \u003ch4 style=\"font-size: 16px; font-weight: bold; margin-bottom: 10px; color: #111111; border-bottom: 2px solid #111111; padding-bottom: 5px;\"\u003eAdvanced Engineering Features:\u003c\/h4\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #333333; line-height: 1.6;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCommercial-Grade Brass Housing:\u003c\/strong\u003e High-density casting offers rigid structural defense against thermal fracturing and heavy industrial system vibrations.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e150 PSI Safety Rating:\u003c\/strong\u003e Precision calibrated internals respond rapidly to pressure spikes, shielding downline commercial heat loops.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHeavy-Flow 2\" NPT Connections:\u003c\/strong\u003e Wide diameter ports facilitate swift pressure reduction when emergency dumping becomes necessary.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":42910020337758,"sku":"100167905","price":588.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar_100167905_heavy_commercial_2_inch_NPT_bronze_water_pressure_relief_valve_rated_at_150_PSI..jpg?v=1781981321"},{"product_id":"lv-knight-series","title":"Lochinvar Knight High Efficiency Condensing Boiler","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eLochinvar Knight High Efficiency Condensing Boiler\u003c\/strong\u003e is a high-performance boiler part engineered to deliver premium hydronic efficiency and reliability. Built with a heavy-duty stainless steel housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for residential, commercial, and industrial hydronic application loops.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    Setting the standard for modern hydronic engineering, this modulating condensing gas boiler utilizes a precision-engineered stainless steel fire-tube heat exchanger to achieve an exceptional 95% AFUE rating. The integrated SMART SYSTEM™ operating control features an advanced digital user interface with multi-boiler cascading capabilities, real-time data logging, and outdoor reset functions to dynamically maximize fuel efficiency based on ambient conditions. Equipped with a 10:1 turndown ratio to match low heat demands without short-cycling, this unit delivers whisper-quiet, top-tier heating performance for custom homes and complex commercial properties alike.\n  \u003c\/p\u003e\n\n  \u003c!-- Advanced Engineering Features Bullets --\u003e\n  \u003cdiv style=\"margin-top: 25px; margin-bottom: 20px;\"\u003e\n    \u003ch4 style=\"font-size: 16px; font-weight: bold; margin-bottom: 10px; color: #111111; border-bottom: 2px solid #111111; padding-bottom: 5px;\"\u003eAdvanced Engineering Features:\u003c\/h4\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #333333; line-height: 1.6;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePremium Fire-Tube Heat Exchanger:\u003c\/strong\u003e High-grade stainless steel construction accelerates heat transfer while offering superior resistance to scale accumulation and chemical corrosion.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e10:1 Modulating Turndown Ratio:\u003c\/strong\u003e Automatically scales down burner firing rates to match exact structural heating demands, eliminating unnecessary fuel consumption.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSMART SYSTEM™ Controls:\u003c\/strong\u003e Features built-in Con·X·Us® remote compatibility for smart device monitoring, alongside multi-pump control and outdoor reset functionality.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":43050609049694,"sku":"WHB055N","price":4165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Lochinvar_Knight_high_efficiency_condensing_wall_mount_hydronic_boiler_with_advanced_SMART_SYSTEM_digital_control_interface..webp?v=1781980825"},{"product_id":"lochinvar-100275562-kit-ignitor-w-gasket-screws","title":"Lochinvar 100275562 Kit, Ignitor w\/ Gasket \u0026 Screws","description":"\u003cp\u003eMaintain consistent heating performance with this authentic replacement ignitor kit designed for precise burner ignition cycles. The \u003cb\u003e100275562\u003c\/b\u003e assembly arrives as a complete package, including the high-temperature gasket and essential mounting screws, ensuring a secure, airtight installation that protects your system cabinet from exhaust leakage.\u003c\/p\u003e\u003cp\u003eThis ignitor utilizes high electrical resistance to reach combustion temperatures instantaneously, providing the necessary signal for your gas valve to release fuel safely. By replacing aged or corroded ignitor elements with the \u003cb\u003e100275562\u003c\/b\u003e, you proactively prevent common flame rectification errors and unexpected lockout cycles, keeping your boiler operation stable and efficient.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Ignition:\u003c\/strong\u003e Generates high-voltage spark for immediate fuel combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirtight Seal:\u003c\/strong\u003e Includes high-temperature gasket to prevent exhaust infiltration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e Engineered to withstand harsh combustion chamber environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Designed specifically for seamless integration with Lochinvar systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This kit is compatible with specific Lochinvar boilers requiring original equipment manufacturer ignition replacements, primarily focused on maintaining safe, efficient burner startup sequences in commercial and residential heating units.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137675493470,"sku":"100275562","price":72.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/288057712_20db7fa1-a3fd-4831-9750-9e0bb590b215.jpg?v=1786197020"},{"product_id":"lochinvar-100284286-condensate-trap-assembly","title":"Lochinvar 100284286 Condensate Trap Assembly","description":"\u003cp\u003eEfficient moisture management is critical for high-efficiency boiler longevity, and the \u003cstrong\u003e100284286\u003c\/strong\u003e condensate trap assembly by Lochinvar provides a reliable solution for your system. This \u003cstrong\u003eLochinvar 100284286\u003c\/strong\u003e condensate trap serves as a dedicated junction to collect and discharge acidic liquid byproducts generated during the combustion process, ensuring your boiler remains clear of obstructions.\u003c\/p\u003e\u003cp\u003eThe unit functions by maintaining a specific water seal that prevents flue gases from leaking into the mechanical room while allowing liquid condensate to flow freely through the drainage system. By maintaining proper flow, the assembly prevents internal backups that could otherwise compromise heat exchanger integrity or cause pressure switch errors.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Drainage:\u003c\/strong\u003e Facilitates seamless removal of byproduct accumulation to prevent internal standing water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Seal:\u003c\/strong\u003e Maintains a critical water trap to contain combustion gases within the vent system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Integration:\u003c\/strong\u003e Engineered specifically for Lochinvar boiler compatibility for reliable mechanical fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Designed for residential and commercial Lochinvar high-efficiency condensing boiler systems requiring routine condensate maintenance or part replacement to ensure continued peak thermal performance.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137675591774,"sku":"100284286","price":45.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188939488.jpg?v=1786197024"},{"product_id":"lochinvar-100145008-fan-assembly-kbn399-400-whn399","title":"Lochinvar 100145008 Fan Assembly KBN399-400\/WHN399","description":"\u003cp\u003eMaintaining precise combustion airflow is critical for the efficiency of your heating equipment, which is why the \u003cstrong\u003eLochinvar 100145008\u003c\/strong\u003e fan assembly is engineered specifically for the KnightXL KBN399 and Knight WH400 series. This integrated blower unit ensures the air-fuel mixture is delivered accurately to the burner, facilitating consistent output and protecting internal boiler components from overheating due to improper draft conditions.\u003c\/p\u003e\u003cp\u003eThis assembly functions by creating the necessary pressure differential required for high-efficiency modulating combustion. The blower motor speed is controlled directly by the boiler's control board, allowing for variable-stage firing rates that adjust automatically to the heating load demands of residential or commercial environments.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered Compatibility:\u003c\/strong\u003e Precise fitment for KBN399 and WH400 models to ensure manufacturer-specified airflow dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Efficiency:\u003c\/strong\u003e Maintains required air-to-fuel ratios to reduce emissions and optimize seasonal fuel utilization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability Standard:\u003c\/strong\u003e Factory-spec components designed to withstand the operational temperatures of high-capacity hydronic systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized for maintenance and repair of KnightXL KBN399 floor-mounted heating boilers and Knight WH400 wall-mount units in both residential and commercial hydronic heating installations.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137675755614,"sku":"100145008","price":320.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188945910_033aeb7e-2ebb-42c4-a994-b7d55c4e1c06.jpg?v=1786197029"},{"product_id":"lochinvar-100374577-cn4-850-condensate-neutralization-kit-for-400-850-btu-hr-boilers","title":"Lochinvar 100374577 CN4-850 Condensate Neutralization Kit for 400 - 850 Btu\/hr Boilers","description":"\u003cp\u003eSafeguard your building's drainage infrastructure against the corrosive effects of acidic condensate generated by high-efficiency hydronic equipment. The \u003cstrong\u003eLochinvar 100374577\u003c\/strong\u003e, also identified as model \u003cstrong\u003eCN4-850\u003c\/strong\u003e, provides a reliable chemical barrier that balances pH levels before wastewater enters your facility's plumbing network.\u003c\/p\u003e\u003cp\u003eThis neutralization assembly forces condensate through a chamber packed with high-purity magnesium oxide media. As the acidic fluid makes contact with the media, a chemical reaction occurs that effectively raises the pH, rendering the condensate harmless to metal pipes, floor drains, and concrete structural foundations.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Rating:\u003c\/strong\u003e Engineered for condensing boiler inputs ranging from 400,000 to 850,000 BTU\/hr.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Treatment:\u003c\/strong\u003e Utilizes high-purity magnesium oxide to neutralize acidic effluent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Prevents premature degradation of drainage piping and facility foundations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial high-efficiency hydronic heating systems, multi-boiler cascading configurations, and mechanical rooms requiring localized acid neutralization to meet local code compliance.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137675853918,"sku":"100374577","price":152.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/181942306.jpg?v=1786197033"},{"product_id":"lochinvar-100165930-flame-sensor-for-boilers","title":"Lochinvar 100165930 Flame Sensor for Boilers","description":"\u003cp\u003eAchieving reliable flame detection is essential for maintaining the operational safety of your commercial heating system. The \u003cstrong\u003eLochinvar 100165930\u003c\/strong\u003e flame sensor acts as the critical interface for the control module, confirming the presence of a burner flame to keep the gas valve energized. By utilizing this \u003cstrong\u003e100165930\u003c\/strong\u003e replacement, you ensure that your ignition control board receives a steady signal, effectively minimizing the risk of unexpected system lockouts during peak heating demand.\u003c\/p\u003e\u003cp\u003eThis probe operates through the process of flame ionization, where the flame itself functions as a semiconductor to rectify alternating current into a detectable direct current signal. The sensor probe is precisely engineered to sit within the flame envelope, where it senses the carbon molecules to maintain a constant, verified flame path back to the control board.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Confirms verified flame presence before allowing main gas valve activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Connectivity:\u003c\/strong\u003e Provides stable signal transmission to prevent nuisance ignition faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit Integration:\u003c\/strong\u003e Engineered specifically for compatibility with Lochinvar commercial boiler architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Designed for primary flame detection in Lochinvar commercial heating and hot water boilers requiring rectified current feedback for ignition sequence oversight.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137675952222,"sku":"100165930","price":38.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/183469_0_2021713105259.jpg?v=1786197037"},{"product_id":"lochinvar-100278304-switch-flow-w-grease-compound","title":"Lochinvar 100278304 Switch, Flow w\/ Grease Compound","description":"\u003cp\u003eThis flow switch ensures heating systems maintain proper water circulation by accurately detecting movement within the lines. The \u003cstrong\u003e100278304\u003c\/strong\u003e switch is engineered specifically for Lochinvar units, including the \u003cstrong\u003eNKB\u003c\/strong\u003e and \u003cstrong\u003eNKC\u003c\/strong\u003e series, to trigger system alerts or shutdowns if flow parameters drop below necessary thresholds.\u003c\/p\u003e\u003cp\u003eBy utilizing a precise sensing mechanism, this component provides real-time feedback to the boiler control board. The included grease compound facilitates a secure, leak-free installation, ensuring that the switch responds immediately to hydraulic changes within the loop.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Actively prevents heat exchanger damage caused by dry firing or low-flow conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for precise integration with Lochinvar NKB and NKC series boiler models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Robust construction supports long-term operational integrity in high-demand hydronic loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in Lochinvar NKB110, NKB150, NKC110, NKC150, and NKC199 series boiler systems to manage flow-based safety logic.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137676738654,"sku":"100278304","price":63.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188949213.jpg?v=1786197097"},{"product_id":"lochinvar-100188877-fan-assembly-for-ftxl-ftx-600-850","title":"Lochinvar 100188877 Fan Assembly for FTXL FTX 600-850","description":"\u003cp\u003eMaintain precise combustion air delivery for your high-efficiency heating system with the Lochinvar \u003cstrong\u003e100188877\u003c\/strong\u003e Fan Assembly. Engineered specifically for the \u003cstrong\u003eFTXL FTX 600-850\u003c\/strong\u003e series, this blower assembly facilitates the correct air-to-fuel ratio required to sustain peak thermal output and prevent nuisance lockout codes during high-demand cycles.\u003c\/p\u003e\u003cp\u003eThe assembly utilizes a high-torque internal motor and precision-balanced impeller to overcome the static pressure requirements of the condensing heat exchanger. By regulating airflow volume dynamically, it ensures that exhaust gases are efficiently evacuated while supporting complete, clean combustion throughout the firing sequence.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical compatibility:\u003c\/strong\u003e Operates consistently on 120 VAC power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency versatility:\u003c\/strong\u003e Designed to support both 50 Hz and 60 Hz electrical infrastructures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e Rated for a 4 A draw to match OEM control board output specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically engineered for installation in Lochinvar FTXL FTX600, FTX725N, and FTX850N commercial condensing heating boilers.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137676804190,"sku":"100188877","price":2158.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188946243.webp?v=1786197101"},{"product_id":"lochinvar-100275594-diverter-motor-w-clip","title":"Lochinvar 100275594 Diverter Motor w\/ Clip","description":"\u003cp\u003eRegulate flow paths between heating and domestic hot water zones with the \u003cstrong\u003eLochinvar 100275594\u003c\/strong\u003e diverter motor with clip. Designed for compatibility with select boiler units, this genuine replacement part, part number \u003cstrong\u003e100275594\u003c\/strong\u003e, corrects mechanical shifting issues to prevent bypass leakage and system-related flow errors.\u003c\/p\u003e\u003cp\u003eThis motor functions through an internal geared drive that physically repositions the diverter valve spindle. By responding to signals from the boiler control board, the unit ensures internal seals are aligned correctly, while the included mounting clip provides a secure mechanical lock against vibrations.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Actuation:\u003c\/strong\u003e Geared drive mechanism ensures accurate valve positioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Installation:\u003c\/strong\u003e Included mounting clip prevents vibration-induced misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Genuine manufacturer component ensures compatibility with control board signaling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically used for diverting hydronic flow between space heating circuits and domestic hot water priority zones in compatible Lochinvar boiler systems.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137676968030,"sku":"100275594","price":71.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188946574.jpg?v=1786197105"},{"product_id":"lochinvar-100145006-fan-assembly-whn285-199-awn285-286-kbn285-286","title":"Lochinvar 100145006 Fan Assembly WHN285-199\/AWN285-286\/KBN285-286","description":"\u003cp\u003eThis high-efficiency blower ensures optimal combustion by delivering the precise air-to-fuel ratios required for boiler operation. The \u003cstrong\u003e100145006\u003c\/strong\u003e fan assembly is specifically engineered for seamless integration with \u003cstrong\u003eWHN285-199\u003c\/strong\u003e, \u003cstrong\u003eAWN285-286\u003c\/strong\u003e, and \u003cstrong\u003eKBN285-286\u003c\/strong\u003e series equipment, maintaining factory-specified performance standards for reliable heat exchange.\u003c\/p\u003e\u003cp\u003eEquipped with an electronically commutated motor, the unit modulates its rotational speed dynamically in response to heating demands. This variable-speed technology allows the blower to automatically adjust air pressure to compensate for varying vent configurations and external duct resistance, ultimately reducing electrical consumption and lowering acoustic output.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Accuracy:\u003c\/strong\u003e Delivers precise airflow to maintain target air-to-fuel ratios for maximum thermal efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Modulation:\u003c\/strong\u003e Adjusts blower speed based on real-time heat calls to optimize energy usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Compensation:\u003c\/strong\u003e Adapts to vent length and external resistance to ensure stable exhaust venting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Integrated motor controls effectively minimize operational decibel levels.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for professional replacement in Lochinvar WHN285-199, AWN285-286, and KBN285-286 residential and light-commercial hydronic heating systems.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137677557854,"sku":"100145006","price":705.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187174237_e7b2c8c3-8ca7-4fa3-b0fb-bded710e1265.jpg?v=1786197109"},{"product_id":"lochinvar-plt2702k-plt2702-igniter-hot-surface-100208364","title":"Lochinvar PLT2702K Plt2702 Igniter Hot Surface 100208364","description":"\u003cp\u003eMaintaining precise ignition cycles in your hydronic system is simple with the Lochinvar \u003cstrong\u003ePLT2702K\u003c\/strong\u003e (100208364) hot surface igniter. This component serves as the primary initiation point for fuel combustion, ensuring your heating unit cycles on smoothly and operates at peak thermal efficiency throughout the heating season.\u003c\/p\u003e\u003cp\u003eAs an electrical heating element, this igniter rapidly reaches the critical temperature required to ignite the gas stream as soon as the control module triggers a call for heat. By utilizing high-grade ceramic materials, it resists the thermal stress of repeated cycling, providing a stable ignition arc that prevents nuisance lockouts and delayed ignition issues.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material Composition:\u003c\/strong\u003e Engineered to withstand high thermal cycling and prevent premature burnout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed specifically for Lochinvar equipment to ensure factory-spec fitment and electrical compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Response Time:\u003c\/strong\u003e Optimizes ignition timing to reduce fuel waste during startup sequences.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This ignitor is engineered for specific Lochinvar heating systems, residential and commercial boilers requiring the 100208364\/PLT2702K series replacement component.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137677623390,"sku":"PLT2702K","price":204.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Metropac_20Industries_20Inc_00357191.jpg?v=1786197114"},{"product_id":"lochinvar-100275502-connection-board-power","title":"Lochinvar 100275502 Connection Board Power","description":"\u003cp\u003eMaintain seamless communication between your heating system's internal sensors and the main controller with the Lochinvar **100275502** connection board. Engineered specifically for complex hydronic setups, this board acts as the primary interface for managing signal distribution across models such as the NKB110L and NKC199P, ensuring your boiler maintains precise thermal regulation.\u003c\/p\u003e\u003cp\u003eThis circuit interface facilitates the rapid transmission of data, allowing the boiler's microprocessor to execute commands for ignition, pump staging, and safety monitoring in real time. By providing a stable, high-fidelity path for electrical inputs and outputs, it prevents communication errors that typically result in system lockout or erratic burner performance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Integrity:\u003c\/strong\u003e Provides stabilized, low-resistance pathways for critical sensor data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e Directly engineered for integration with NKB110L and NKC199P Lochinvar boiler architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Reliability:\u003c\/strong\u003e Minimizes electrical interference to prevent intermittent fault codes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Use this connection board for technical repairs, routine maintenance, or restoring communication functionality in Lochinvar NKB and NKC series heating appliances.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137678082142,"sku":"100275502","price":73.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188943151.jpg?v=1786197117"},{"product_id":"lochinvar-100319654-k-gasket-reinforced-metal-0-90x1-00","title":"Lochinvar 100319654 K Gasket Reinforced Metal 0.90x1.00","description":"\u003cp\u003eMaintain system integrity and prevent pressure loss with the Lochinvar K Gasket, MPN \u003cb\u003e100319654\u003c\/b\u003e. This precision-engineered seal is designed to withstand the rigorous thermal demands of hydronic heating environments, ensuring your equipment operates at peak efficiency without compromises to the hydraulic loop.\u003c\/p\u003e\u003cp\u003eConstructed with a reinforced metal core, this gasket provides the necessary structural resilience to hold a consistent seal under varying pressure and temperature cycles. By distributing clamping force evenly across the sealing surface, the \u003cb\u003e100319654\u003c\/b\u003e minimizes the risk of bypass or leakage within critical connection points in your Lochinvar or A.O. Smith boiler setup.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial Integrity:\u003c\/b\u003e Reinforced metal architecture provides long-term resistance against thermal fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Sizing:\u003c\/b\u003e Engineered to 0.90\" x 1.00\" dimensions for a perfect fit in standard system ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eValue Pack:\u003c\/b\u003e Each shipment includes five individual gaskets to support routine maintenance and repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Engineered for use in commercial and residential hydronic heating systems utilizing Lochinvar and A.O. Smith boiler configurations requiring high-durability metal-reinforced sealing solutions.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137678835806,"sku":"100319654","price":31.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188945204.jpg?v=1786197122"},{"product_id":"lochinvar-a-o-smith-100113150-ignitor-series-130-131-ignitor-for-boilers-water-heaters","title":"Lochinvar \u0026 A.O. Smith 100113150 - Ignitor Series 130\/131 Ignitor for Boilers \u0026 Water Heaters","description":"\u003cp\u003eEnsure consistent, safe combustion within your hydronic system by replacing a worn-out component with the high-performance Lochinvar \u0026amp; A.O. Smith \u003cstrong\u003e100113150\u003c\/strong\u003e. This factory-authorized Ignitor is engineered specifically for the \u003cstrong\u003eSeries 130\/131\u003c\/strong\u003e product line to facilitate immediate flame establishment during the ignition sequence.\u003c\/p\u003e\u003cp\u003eThe ignitor operates by utilizing high-resistance electrical material that reaches critical ignition temperatures rapidly upon receiving a signal from the control board. This controlled thermal output creates the necessary spark to safely initiate the combustion process, maintaining system reliability and preventing lockout conditions caused by failed startup attempts.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Durability:\u003c\/strong\u003e Engineered for extended service life in high-cycle combustion environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Precision-fit design for seamless integration with Series 130\/131 equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Efficiency:\u003c\/strong\u003e Optimized thermal response time to reduce startup delay.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This component is intended for use in Lochinvar and A.O. Smith commercial water heaters and boiler systems utilizing the Series 130\/131 ignition platform.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137678966878,"sku":"100113150","price":163.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1_941c8428-aa56-491c-8152-3e2979b29ca7.png?v=1786197126"},{"product_id":"lochinvar-100304118-board-control-user-interface","title":"Lochinvar 100304118 Board Control User Interface","description":"\u003cp\u003eManage your heating system settings with precision using the Lochinvar \u003cstrong\u003e100304118\u003c\/strong\u003e Board Control User Interface. This diagnostic and operational hub provides a centralized platform for monitoring boiler performance and making real-time adjustments, ensuring that your equipment maintains optimal output levels for residential or commercial hydronic applications.\u003c\/p\u003e\u003cp\u003eThe interface processes incoming sensor data from the boiler’s internal logic board, translating complex electrical signals into a clear, readable display for the operator. By streamlining navigation through system parameters, this component allows technicians to perform configuration updates or troubleshoot errors without requiring additional diagnostic software.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Compatibility:\u003c\/strong\u003e Engineered specifically for seamless integration with a wide array of Lochinvar boiler models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Installation:\u003c\/strong\u003e Features a lightweight, modular design that simplifies the mounting and wiring process during routine maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive Navigation:\u003c\/strong\u003e Provides an easy-to-use menu structure to facilitate rapid adjustments to heating setpoints and operational modes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for field replacement of damaged or non-responsive control panels, preventative maintenance upgrades, and system calibration during annual boiler service cycles.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679032414,"sku":"100304118","price":263.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188947913.png?v=1786197130"},{"product_id":"lochinvar-100267000-inducer-assembly","title":"Lochinvar 100267000 Inducer Assembly","description":"\u003cp\u003eMaintaining proper combustion airflow is critical for modern hydronic systems, and the Lochinvar \u003cstrong\u003e100267000\u003c\/strong\u003e Inducer Assembly ensures consistent ventilation for your boiler. This replacement unit, identified by part number \u003cstrong\u003e100267000\u003c\/strong\u003e, works seamlessly with your existing Lochinvar heating equipment to purge exhaust gases and support balanced flame characteristics.\u003c\/p\u003e\u003cp\u003eThe assembly functions by creating the necessary negative pressure within the combustion chamber, allowing the burner to achieve peak thermal efficiency. By regulating the draft, this motor reduces strain on the heat exchanger and ensures the system operates within safety parameters during every ignition cycle.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Engineered with materials capable of withstanding high-heat, corrosive combustion environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Efficiency:\u003c\/strong\u003e Optimizes ventilation to support consistent burner ignition and stable flames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Precision-fit design simplifies installation for specific Lochinvar heating models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This inducer assembly is intended for professional use in compatible Lochinvar high-efficiency boilers and residential hydronic heating systems requiring combustion draft maintenance.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679097950,"sku":"100267000","price":335.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187196761.jpg?v=1786197134"},{"product_id":"lochinvar-100311038-control-board-communication-control-board","title":"Lochinvar 100311038 Control Board - Communication Control Board","description":"\u003cp\u003eMaintain robust connectivity and operational oversight across your heating infrastructure with the Lochinvar Communication Control Board, part number \u003cstrong\u003e100311038\u003c\/strong\u003e. This specialized component serves as the digital link within the heating system, ensuring that data signals are processed and transmitted effectively between the boiler's internal architecture and external interfaces for high-performance climate management.\u003c\/p\u003e\u003cp\u003eBy regulating the complex data exchange pathways, this board stabilizes the communication loop required for complex boiler sequencing and diagnostic monitoring. Its circuit integration is purpose-built to withstand the thermal stressors of internal boiler environments, ensuring that logic signals remain clear and responsive during high-demand heating cycles.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Integrity:\u003c\/strong\u003e Facilitates high-speed, error-free data transmission between integrated heating modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability Engineering:\u003c\/strong\u003e Robust design resists moisture and thermal degradation found in standard mechanical rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Synchronization:\u003c\/strong\u003e Coordinates complex control sequences for efficient multi-unit staging and modulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This board is utilized for precision communication management in Lochinvar high-efficiency commercial and residential heating units, particularly where advanced monitoring and multi-stage boiler coordination are required.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679163486,"sku":"100311038","price":1381.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187182314.png?v=1786197138"},{"product_id":"lochinvar-100320884-service-kit","title":"Lochinvar 100320884 Service Kit","description":"\u003cp\u003eMaintaining precise temperature regulation and reliable ignition sequencing is essential for long-term hydronic efficiency, which is exactly why the \u003cstrong\u003e100320884\u003c\/strong\u003e service kit is engineered to resolve persistent control logic failures. This \u003cstrong\u003e100320884\u003c\/strong\u003e control board kit integrates seamlessly into your existing Lochinvar boiler platform, replacing degraded circuitry to ensure flawless communication between safety sensors and the gas valve assembly.\u003c\/p\u003e\u003cp\u003eThis sophisticated logic board acts as the central processor for your hydronic system, continuously monitoring inputs from high-limit switches and flame rectification sensors. By managing the critical timing of combustion air intake and fuel delivery, this board effectively eliminates intermittent lockout codes and restores the modulated firing rates necessary for peak thermal performance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Precision:\u003c\/strong\u003e Synchronizes fuel delivery and air intake timing for optimal thermal output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integration:\u003c\/strong\u003e Processes real-time data from flame rectification sensors and high-limit switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Mitigation:\u003c\/strong\u003e Resolves logic-based system lockouts to ensure continuous operational uptime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This kit is specifically designed for Lochinvar boiler platforms experiencing degraded circuit response, ignition sequencing errors, or inconsistent modulation control during standard heating cycles.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679294558,"sku":"100320884","price":161.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/lochinvar_100320884_1.jpg?v=1786294045"},{"product_id":"lochinvar-100289339-condensate-neutralizer-kit-300000-btu","title":"Lochinvar 100289339 Condensate Neutralizer Kit 300000 BTU","description":"\u003cp\u003eProtect plumbing infrastructure from acidic condensate discharge by installing the Lochinvar \u003cstrong\u003e100289339\u003c\/strong\u003e (Model \u003cstrong\u003eCN2-300C\u003c\/strong\u003e) neutralizer kit. This system efficiently treats acidic effluent generated by high-efficiency gas-fired heating appliances, ensuring compliance with local environmental regulations regarding wastewater disposal.\u003c\/p\u003e\u003cp\u003eThe unit utilizes specialized neutralizing media housed within a clear, durable tube. As condensate flows through the chamber, the media reacts with the acidic liquid to raise its pH level to a neutral range before it enters the sewer system. The transparent design allows for quick visual inspection of media levels to determine when replacement is necessary.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Rating:\u003c\/strong\u003e Rated for use with gas-fired equipment up to 300,000 BTU input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Monitoring:\u003c\/strong\u003e Clear tubing allows for rapid assessment of media depletion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Installation:\u003c\/strong\u003e Includes PVC adaptors and mounting brackets for horizontal positioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulatory Compliance:\u003c\/strong\u003e Facilitates adherence to municipal codes regarding condensate discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Suitable for high-efficiency gas-fired boilers, condensing water heaters, and furnaces requiring condensate treatment for safe drainage.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679458398,"sku":"100289339","price":112.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/568431.jpg?v=1786197146"},{"product_id":"lochinvar-100232493-outdoor-flow-switch","title":"Lochinvar 100232493 Outdoor Flow Switch","description":"\u003cp\u003eProtect your hydronic heating installation with the Lochinvar \u003cstrong\u003e100232493\u003c\/strong\u003e Outdoor Flow Switch, engineered to detect active liquid movement within external piping loops. This specific \u003cstrong\u003e100232493\u003c\/strong\u003e flow switch is purpose-built to integrate with models such as the CB0497 and CBL0647, providing a direct verification of water circulation to prevent dry-fire scenarios or pump cavitation.\u003c\/p\u003e\u003cp\u003eThe device operates by utilizing an internal paddle mechanism that deflects under the force of moving fluid, triggering an electrical contact closure when the flow threshold is achieved. By confirming consistent fluid velocity, the switch acts as an automatic safety interlock, ensuring the boiler ignition sequence only proceeds when active heat transfer is possible.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Monitoring:\u003c\/strong\u003e Provides real-time confirmation of water circulation in outdoor-rated hydronic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Protection:\u003c\/strong\u003e Prevents heat exchanger damage by ensuring the flow interlock is satisfied during firing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Fully validated for seamless integration with Lochinvar CB0497 and CBL0647 heating platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically designed for outdoor-mounted boiler systems, secondary heating loops exposed to ambient external conditions, and commercial hydronic installations requiring high-reliability flow verification.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679622238,"sku":"100232493","price":246.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/41uDoMR45CL.jpg?v=1786197151"},{"product_id":"lochinvar-a-o-smith-100074640-ignitor-for-gas-water-heaters","title":"Lochinvar \u0026 A.O. Smith 100074640 - IGNITOR for Gas Water Heaters","description":"\u003cp\u003eEnsure reliable burner ignition for your gas water heating system with the \u003cstrong\u003e100074640\u003c\/strong\u003e ignitor, engineered to serve as a high-quality replacement for Lochinvar and A.O. Smith units. This component is essential for facilitating the smooth startup of your system, ensuring your water heater maintains operational efficiency by providing a consistent spark for the combustion cycle.\u003c\/p\u003e\u003cp\u003eThe ignitor functions by converting electrical current into the precise heat energy required to ignite the gas mixture within the combustion chamber. By utilizing high-grade materials, this part withstands the thermal stresses of repeated cycling, preventing common ignition failures that lead to system downtime.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Spark Timing:\u003c\/strong\u003e Engineered for exact ignition sequence synchronization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Resilience:\u003c\/strong\u003e Constructed to endure high-temperature environments for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Designed for seamless integration with specified Lochinvar and A.O. Smith gas water heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily intended for commercial and residential gas-fired water heating systems requiring original equipment manufacturer-standard ignitor replacement. Always verify system compatibility before installation.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679818846,"sku":"100074640","price":64.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/aaa_0a47a2d3-5524-4bae-87e6-dc3f0227d969.jpg?v=1786197155"},{"product_id":"lochinvar-100275588-water-tube-inlet-combi-replacement-mpn","title":"Lochinvar 100275588 Water Tube, Inlet - Combi Replacement MPN","description":"\u003cp\u003eMaintaining consistent flow rates within your hydronic system requires high-quality components designed for specific pressure and thermal demands. This replacement inlet water tube, part number \u003cstrong\u003e100275588\u003c\/strong\u003e, is manufactured by Lochinvar to ensure exact fluid transition within your NKB series combi boiler, including the NKB110L, NKB110N, NKB110P, and NKB150N models.\u003c\/p\u003e\u003cp\u003eThis component functions by stabilizing water entry into the heat exchanger, preventing turbulence and ensuring uniform heating distribution across the tube bundle. By maintaining the integrity of the inlet circuit, this tube prevents bypass issues and supports the overall thermal efficiency of the appliance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Fit:\u003c\/strong\u003e Engineered exclusively for Lochinvar combi systems to maintain factory-grade seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydronic Stability:\u003c\/strong\u003e Regulates inlet flow characteristics to prevent localized hot spots within the boiler vessel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Specs:\u003c\/strong\u003e Constructed from high-integrity materials rated for the temperature cycling associated with residential combi heating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically designed for integration into the water inlet assembly of the NKB110 and NKB150 combi boiler series.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137679982686,"sku":"100275588","price":74.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188944120.jpg?v=1786197159"},{"product_id":"lochinvar-a-o-smith-100110071-thermostat-for-easy-temperature-control","title":"Lochinvar \u0026 A.O. Smith 100110071 - THERMOSTAT for Easy Temperature Control","description":"\u003cp\u003eEfficient temperature regulation is essential for maintaining optimal climate performance in your hydronic systems. The \u003cstrong\u003e100110071\u003c\/strong\u003e thermostat serves as a highly reliable control interface for Lochinvar and A.O. Smith units, ensuring seamless integration and consistent thermal management for your heating infrastructure. This \u003cstrong\u003e100110071\u003c\/strong\u003e model is engineered to provide precise setpoint adjustments, allowing for advanced energy-saving operation and scheduling.\u003c\/p\u003e\u003cp\u003eThis control unit functions by continuously monitoring ambient or water temperature data against established setpoints, modulating the system response to maintain equilibrium. By utilizing responsive sensor technology, the controller adjusts system cycling to prevent temperature fluctuations, significantly reducing unnecessary wear on ignition and pump components while maximizing overall energy efficiency.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdaptive Regulation:\u003c\/strong\u003e Features integrated temperature scheduling to minimize active runtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Compatibility:\u003c\/strong\u003e Specifically engineered for direct replacement in Lochinvar and A.O. Smith HVAC configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Interface:\u003c\/strong\u003e Equipped with an intuitive display for rapid status monitoring and configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial and residential hydronic heating systems, space heating boilers, and domestic hot water temperature management applications.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680146526,"sku":"100110071","price":341.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/aa_1ab8770d-d449-4250-a0e8-fdd838dd0c06.jpg?v=1786197163"},{"product_id":"lochinvar-100275507-control-board-main","title":"Lochinvar 100275507 Control Board, Main","description":"\u003cp\u003eEfficiently manage your boiler's thermal cycles and ignition sequences with the Lochinvar \u003cstrong\u003e100275507\u003c\/strong\u003e main control board. Engineered specifically for seamless integration with models including the NKB110L, NKB110P, NKC110L, NKC110N, and NKC110P, this interface restores factory-specified operational logic to your heating system.\u003c\/p\u003e\u003cp\u003eThis control module serves as the primary processing center for the boiler, monitoring sensors, safety interlocks, and gas valve modulation to ensure consistent output. By replacing a malfunctioning unit with this authentic component, you regain precise control over pump operation, blower speeds, and temperature setpoints, preventing nuisance lockouts and ensuring consistent indoor comfort.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Logic:\u003c\/strong\u003e Synchronizes ignition and firing rates for optimal fuel consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integration:\u003c\/strong\u003e Continuously monitors boiler safety sensors to protect internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e Engineered for perfect electrical and physical fitment in specified Lochinvar units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Operation:\u003c\/strong\u003e Maintains consistent system feedback loops for extended equipment lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for service technicians and facilities managers addressing intermittent boiler errors, communication failures, or system non-responsiveness in residential and commercial NKB and NKC series Lochinvar installations.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680212062,"sku":"100275507","price":241.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188940069.jpg?v=1786197167"},{"product_id":"lochinvar-100208621-spark-electrode-harness","title":"Lochinvar 100208621 Spark Electrode Harness","description":"\u003cp\u003eEnsuring consistent burner startup, the \u003cstrong\u003e100208621\u003c\/strong\u003e spark electrode harness provides a secure electrical connection to the ignition assembly in select Lochinvar boilers. This genuine replacement part is engineered for specific models, including the \u003cstrong\u003eAWN151PM\u003c\/strong\u003e, \u003cstrong\u003eAWN200PM\u003c\/strong\u003e, \u003cstrong\u003eAWN201PM\u003c\/strong\u003e, \u003cstrong\u003eOKN151\u003c\/strong\u003e, and \u003cstrong\u003eOKN211\u003c\/strong\u003e, restoring critical communication between the control board and the spark igniter.\u003c\/p\u003e\u003cp\u003eThis harness facilitates the high-voltage transmission required to strike an arc across the electrode gap. By maintaining proper insulation and connector integrity, the harness prevents grounding issues and ensures reliable combustion cycles, which is necessary for maintaining the thermal efficiency of your hydronic heating system.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Ignition:\u003c\/strong\u003e Maintains consistent spark delivery for reliable burner light-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e Engineered specifically for integration with AWN and OKN series Lochinvar boilers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Connectivity:\u003c\/strong\u003e Provides high-heat resistance and robust electrical insulation for demanding boiler environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Installation:\u003c\/strong\u003e Designed for exact-fit replacement to minimize downtime during routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This harness is intended for use in commercial Lochinvar boiler heating applications, specifically for AWN151PM, AWN200PM, AWN201PM, OKN151, and OKN211 series units. Always verify your specific boiler serial number before installation to ensure compatibility.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680277598,"sku":"100208621","price":60.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188949288.jpg?v=1786197171"},{"product_id":"lochinvar-100208174-high-limit-manual-reset","title":"Lochinvar 100208174 High Limit Manual Reset","description":"\u003cp\u003eProtect your hydronic heating system from dangerous thermal runaway with the Lochinvar 100208174 High Limit Manual Reset. This safety control is engineered for seamless integration with Copper-Fin and Knight series boilers, serving as a critical safeguard to detect and react to excessive water temperatures. By utilizing part number \u003cstrong\u003e100208174\u003c\/strong\u003e, technicians can ensure that the unit remains within defined operational thermal boundaries, effectively preventing equipment damage.\u003c\/p\u003e\u003cp\u003eThe device operates as a snap-action thermal switch equipped with a five-foot capillary, providing the installation flexibility required for complex boiler piping layouts. When internal temperatures exceed the factory-set safety threshold, the manual reset mechanism interrupts the heating circuit. Once the system has been inspected and the source of the high-temperature condition is addressed, the switch must be physically reset to restore normal burner operation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integration:\u003c\/strong\u003e Directly interrupts burner ignition circuits during high-limit events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Reach:\u003c\/strong\u003e Includes a five-foot capillary for versatile mounting positions on boiler cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Security:\u003c\/strong\u003e Requires physical operator intervention to reset, ensuring the cause of overheating is identified.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Specifically calibrated for Lochinvar Knight and Copper-Fin boiler series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in Lochinvar Knight and Copper-Fin boiler systems requiring localized thermal safety monitoring and manual reset protocols to ensure long-term equipment integrity.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680343134,"sku":"100208174","price":374.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Screenshot2026-03-27023255.jpg?v=1786197175"},{"product_id":"lochinvar-100208458-interface-control-board-replacement-rly20058","title":"Lochinvar 100208458 Interface Control Board Replacement RLY20058","description":"\u003cp\u003eMaintain precise thermal regulation in your hydronic system with the Lochinvar 100208458 Interface Control Board. Engineered as a direct replacement for the \u003cb\u003eRLY20058\u003c\/b\u003e, this control module serves as the primary logic hub for managing heating cycles and communication between system sensors and the main controller to uphold maximum operational output.\u003c\/p\u003e\u003cp\u003eThe interface board utilizes advanced circuitry to process input signals and relay commands to system actuators, ensuring that ignition, fan speed, and heat distribution remain within defined factory parameters. By maintaining strict signal integrity, it prevents modulation errors and supports the long-term reliability of your heating installation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLogic Processing:\u003c\/b\u003e Ensures accurate interpretation of sensor data for consistent heat modulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational Compatibility:\u003c\/b\u003e Engineered specifically as a drop-in replacement for the \u003cb\u003eRLY20058\u003c\/b\u003e component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Efficiency:\u003c\/b\u003e Designed for seamless integration into existing Lochinvar control housings to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in Lochinvar heating units requiring an interface logic upgrade or replacement during routine maintenance to resolve control board communication faults or non-responsive heating cycles.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680539742,"sku":"100208458","price":294.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/169608381.jpg?v=1786197179"},{"product_id":"lochinvar-100165929-direct-spark-ignitor","title":"Lochinvar 100165929 Direct Spark Ignitor","description":"\u003cp\u003eReliable startup of your heating system depends on the precise operation of the \u003cb\u003eLochinvar 100165929\u003c\/b\u003e direct spark ignitor. Designed specifically for compatibility with select Lochinvar heating equipment, this component ensures consistent ignition cycles, supporting the overall performance and efficiency of your unit.\u003c\/p\u003e\u003cp\u003eThis ignitor functions by generating a high-voltage electrical arc that ignites the fuel-air mixture within the combustion chamber. By utilizing a durable electrode assembly and an included gasket, the unit maintains a secure seal that prevents air leaks and promotes clean, optimized ignition sequences.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Ignition:\u003c\/strong\u003e Delivers a consistent high-voltage arc to ensure rapid light-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Sealing:\u003c\/strong\u003e Integrated gasket construction minimizes turbulence and prevents combustion leakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Engineered to original factory specifications for a direct-fit installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Durability:\u003c\/strong\u003e Constructed from heat-resistant materials capable of withstanding repetitive ignition cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This ignition component is intended for use in professional-grade Lochinvar boiler and heating systems requiring factory-authorized replacement of the direct spark assembly.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680638046,"sku":"100165929","price":60.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187177899.jpg?v=1786197184"},{"product_id":"lochinvar-100208230-transformer-120-x-24v-40va-60hz","title":"Lochinvar 100208230 Transformer 120 x 24V 40VA 60Hz","description":"\u003cp\u003eThis reliable power conversion unit, part number \u003cstrong\u003e100208230\u003c\/strong\u003e, provides the consistent 24V control voltage required to operate critical components within your hydronic heating system. Engineered specifically for seamless integration with Lochinvar equipment, including the Knight KB81-286 and WH56-400 wall-mount boilers, this transformer ensures that control boards and sensors receive steady, uninterrupted power.\u003c\/p\u003e\u003cp\u003eOperating at a standard 60Hz frequency, the transformer utilizes electromagnetic induction to step down high-voltage line power to the lower levels mandated by residential and commercial boiler controls. This reduction protects sensitive electronic logic boards and actuators from voltage spikes while maintaining the precise current levels needed to manage heat demand and ignition sequences effectively.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Input:\u003c\/strong\u003e 120 VAC operational capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Output:\u003c\/strong\u003e Steady 24 VAC for control circuit stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Capacity:\u003c\/strong\u003e Rated for 40 VA to support multiple accessory loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Standards:\u003c\/strong\u003e Optimized for standard 60 Hz electrical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically compatible with Lochinvar Knight KB81-286 and WH56-400 boiler configurations.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137680867422,"sku":"100208230","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188948349.jpg?v=1786197188"},{"product_id":"lochinvar-100275607-pump-assembly-w-gaskets","title":"Lochinvar 100275607 Pump Assembly w\/ Gaskets","description":"\u003cp\u003eMaintaining consistent flow velocity is necessary for high-efficiency hydronic heating, and the Lochinvar \u003cstrong\u003e100275607\u003c\/strong\u003e pump assembly is engineered to facilitate this thermal transfer. This factory-authorized replacement provides the necessary pressure head to ensure hot water reaches every zone in compatible units such as the \u003cstrong\u003eNKB110\u003c\/strong\u003e and \u003cstrong\u003eNKC199\u003c\/strong\u003e series.\u003c\/p\u003e\u003cp\u003eThis assembly utilizes an integrated impeller mechanism designed to move system fluid through the heat exchanger, preventing localized overheating and thermal stress on components. By replacing a degraded pump with this OEM-spec unit, you restore the designed flow rates required to maintain the specified Delta T across the boiler loop.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Resistant Installation:\u003c\/strong\u003e Includes precision-matched gaskets to ensure a secure, airtight seal against the boiler manifold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Engineered specifically for NKB and NKC series models to ensure exact fitment and hydraulic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Thermal Distribution:\u003c\/strong\u003e Restores efficient circulation, which directly improves the heat transfer efficiency of the internal heat exchanger.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically designed for Lochinvar NKB110L, NKB110N, NKB110P, NKB150N, NKC110L, NKC110N, NKC110P, NKC150N, NKC150P, NKC199L, NKC199N, and NKC199P high-efficiency hydronic boilers.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681096798,"sku":"100275607","price":149.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188943662.jpg?v=1786197192"},{"product_id":"lochinvar-100304140-main-control-board-power","title":"Lochinvar 100304140 Main Control Board Power","description":"\u003cp\u003eRegulate your heating system with precision using the Lochinvar 100304140 Main Control Board. This high-performance module manages the operational logic of your boiler to ensure consistent temperature delivery and system safety, making the **100304140** an ideal direct replacement for worn or malfunctioning control units.\u003c\/p\u003e\u003cp\u003eThis control board functions as the primary interface for your Lochinvar heating system, processing sensor data and managing burner ignition, pump circulation, and safety interlocks. By maintaining accurate real-time data processing, it ensures your unit operates within the manufacturer's specified efficiency parameters while preventing operational failures.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Management:\u003c\/strong\u003e Governs combustion cycles and ignition sequences for consistent output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Engineered specifically for Lochinvar boiler compatibility to ensure plug-and-play functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Stability:\u003c\/strong\u003e Monitors critical boiler sensors to prevent overheating and premature component wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in Lochinvar boiler systems undergoing repair, seasonal maintenance, or troubleshooting of ignition and communication faults.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681326174,"sku":"100304140","price":405.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/s-l500_2a998c47-8500-4cc5-b6fd-1a48263dea1b.jpg?v=1786294049"},{"product_id":"lochinvar-100268032-gas-valve-assembly-with-flange-and-screws","title":"Lochinvar 100268032 Gas Valve Assembly with Flange and Screws","description":"\u003cp\u003eMaintain precise combustion control and reliable fuel regulation within your hydronic heating system using the \u003cstrong\u003eLochinvar 100268032\u003c\/strong\u003e gas valve assembly. This high-performance component is engineered for seamless integration, serving as a direct replacement part to ensure your boiler operates at peak efficiency.\u003c\/p\u003e\u003cp\u003eThe assembly functions by precisely modulating the flow of fuel to the burner, maintaining the correct air-fuel mixture required for safe and consistent ignition. By replacing a failing valve with the \u003cstrong\u003e100268032\u003c\/strong\u003e, technicians can eliminate combustion instability and prevent erratic boiler cycling.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Burner Reliability:\u003c\/strong\u003e Ensures consistent fuel delivery for stable flame ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Installation Kit:\u003c\/strong\u003e Includes the necessary mounting flange and screws to facilitate a secure, leak-free connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to meet rigorous Lochinvar specifications for boiler safety and throughput.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for routine maintenance and emergency repairs on compatible Lochinvar residential and commercial boiler models. Installation should only be performed by a licensed HVAC technician in accordance with all local gas code requirements.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681391710,"sku":"100268032","price":186.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/100268032-1.jpg?v=1786197200"},{"product_id":"lochinvar-a-o-smith-100110631-btn-blower-assembly-for-hvac-systems","title":"Lochinvar \u0026 A.O. Smith 100110631 - Btn Blower Assembly for HVAC Systems","description":"\u003cp\u003eMaintain precise combustion and ventilation airflow in your hydronic heating system with this factory-authorized blower assembly. The \u003cstrong\u003eLochinvar 100110631\u003c\/strong\u003e is engineered to serve as a direct replacement for your existing blower unit, ensuring that your equipment operates at peak efficiency. By integrating this \u003cstrong\u003e100110631\u003c\/strong\u003e assembly into your system, you effectively restore proper air intake levels, which prevents common fault codes associated with inadequate draft or pressure sensing issues.\u003c\/p\u003e\u003cp\u003eThis blower assembly operates by utilizing an integrated motor and fan housing to force air into the combustion chamber or flue. This precise movement of air is critical for maintaining the correct fuel-to-air ratio, ensuring cleaner burns and reduced stress on secondary system components. Its robust construction minimizes mechanical noise and vibrations, providing long-term reliability even under the heavy duty cycles common in commercial or high-output residential installations.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Compatibility:\u003c\/strong\u003e Engineered specifically for seamless integration with Lochinvar and A.O. Smith boiler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Precision:\u003c\/strong\u003e Designed to meet the exact static pressure requirements for optimal combustion chamber performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Integrity:\u003c\/strong\u003e Manufactured with high-grade, heat-resistant housing to withstand the demanding internal environment of HVAC units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for professional HVAC technicians or experienced facility maintenance personnel. This assembly is specifically intended for use in Lochinvar and A.O. Smith high-efficiency boilers and HVAC units requiring this precise blower configuration.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681457246,"sku":"100110631","price":942.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/aa_a1dbb909-7dc4-4196-b456-9a18331c339f.jpg?v=1786197204"},{"product_id":"lochinvar-100267012-8-ss-to-cpvc-adapter","title":"Lochinvar 100267012 8 SS TO CPVC ADAPTER","description":"\u003cp\u003eThis high-quality adapter facilitates a professional transition between stainless steel vent pipe and CPVC fittings, ensuring optimal integrity for exhaust and plumbing configurations. The \u003cstrong\u003eLochinvar 100267012\u003c\/strong\u003e (part number \u003cstrong\u003e100267012\u003c\/strong\u003e) is specifically engineered to maintain airtight seals within high-efficiency Armor condensing water heater systems.\u003c\/p\u003e\u003cp\u003eBy bridging the gap between dissimilar materials, this adapter prevents thermal expansion issues and chemical degradation at the connection point. It provides a structural mechanical link that accommodates the thermal stresses inherent in commercial condensing equipment, preserving the longevity of the entire venting train.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Compatibility:\u003c\/strong\u003e Engineered for seamless transition between stainless steel and CPVC surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Sizing:\u003c\/strong\u003e Designed for an 8-inch nominal connection diameter to match specific exhaust requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e Optimized for use with Armor 1250, 1500, and 2000 series water heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in commercial HVAC, boiler room exhaust venting, and large-scale water heating applications requiring material transition between metal and plastic piping conduits.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681522782,"sku":"100267012","price":519.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188951425.jpg?v=1786197208"},{"product_id":"lochinvar-100275596-switch-pressure","title":"Lochinvar 100275596 Switch Pressure","description":"\u003cp\u003eMaintain precise pressure levels within your heating system using the \u003cstrong\u003e100275596\u003c\/strong\u003e pressure switch. Engineered specifically for seamless integration with Lochinvar \u003cstrong\u003eNKB and NKC series\u003c\/strong\u003e models, this component monitors internal system pressure to prevent unsafe operating conditions and support consistent heat output.\u003c\/p\u003e\u003cp\u003eThe switch functions by detecting fluctuations in system pressure, automatically signaling the boiler controls to activate or deactivate components as required. This rapid response mechanism protects the heat exchanger and associated piping from mechanical stress, ensuring the boiler maintains its peak operational parameters.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Safety:\u003c\/strong\u003e Automatically prevents boiler ignition if pressure deviates from required specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed for direct replacement in NKB and NKC series boiler lineups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Stability:\u003c\/strong\u003e Maintains consistent internal readings to prevent premature hardware wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized for high-efficiency hydronic heating configurations, commercial boiler assemblies, and localized pressure monitoring within Lochinvar-compatible NKB and NKC residential and light-commercial heat plants.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681784926,"sku":"100275596","price":35.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188941641.jpg?v=1786197212"},{"product_id":"lochinvar-100284234-harness-spark-ignitor","title":"Lochinvar 100284234 Harness Spark Ignitor","description":"\u003cp\u003eMaintain consistent boiler startups with the Lochinvar \u003cstrong\u003e100284234\u003c\/strong\u003e harness, engineered to facilitate seamless communication between the spark ignitor and the system control circuit. Designed for integration with Lochinvar units including the NKB110L and NKB150N series, this assembly preserves the electrical integrity required for safe and responsive burner firing.\u003c\/p\u003e\u003cp\u003eThis harness functions by shielding the high-voltage signal path between the ignition control module and the ignitor electrode, preventing interference or arcing degradation. By utilizing high-quality insulation and precision-fit terminals, the cable ensures that the spark generated is consistently directed for immediate ignition, minimizing lockouts and ignition-related service interruptions.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Connection Stability:\u003c\/strong\u003e Provides a secure, low-resistance path for reliable spark delivery during burner sequencing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Compatibility:\u003c\/strong\u003e Specifically engineered for direct replacement on NKB110L and NKB150N boiler configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Specs:\u003c\/strong\u003e Features lightweight 0.11 lb construction designed to withstand the thermal variances found in commercial hydronic environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This component is intended for use in Lochinvar NKB model series boilers where high-voltage ignition wire maintenance or replacement is required to restore consistent firing sequences.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137681850462,"sku":"100284234","price":40.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188944571.jpg?v=1786197216"},{"product_id":"lochinvar-100167767-integrated-control-board","title":"Lochinvar 100167767 Integrated Control Board","description":"\u003cp\u003eEfficiently manage your hydronic heating system operations with the Lochinvar Integrated Control Board, MPN \u003cstrong\u003e100167767\u003c\/strong\u003e. This electronic module serves as the primary command center for your HVAC hardware, coordinating complex heating sequences and safety interlocks to ensure maximum system uptime.\u003c\/p\u003e\u003cp\u003eThis control board functions by processing sensor data from throughout the hydronic loop, translating inputs into precise burner modulation and pump relay activation. By utilizing advanced logic, it maintains stable temperature setpoints and monitors for critical fault conditions to prevent equipment failure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Logic Control:\u003c\/strong\u003e Manages complex ignition and modulation sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Monitoring:\u003c\/strong\u003e Provides real-time tracking of thermal load and safety parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Engineered for direct compatibility with specified Lochinvar boiler platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Management:\u003c\/strong\u003e Coordinates automated shut-off sequences during detected abnormalities.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized for residential and commercial Lochinvar boiler repairs, unit upgrades, and routine maintenance by qualified HVAC technicians to restore manufacturer-specified heating performance.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682079838,"sku":"100167767","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/4008512_5331983_primary.jpg?v=1786197221"},{"product_id":"lochinvar-100208461-board-control-user-interface","title":"Lochinvar 100208461 Board Control User Interface","description":"\u003cp\u003eOptimizing your heating system starts with a responsive command center, and the \u003cstrong\u003eLochinvar 100208461\u003c\/strong\u003e board control user interface provides the necessary oversight for peak performance. This integrated module acts as the primary communication bridge between the technician and the boiler, ensuring that system diagnostics and operational settings are managed with precision. By installing the \u003cstrong\u003e100208461\u003c\/strong\u003e interface, you gain immediate access to critical operational data, allowing for streamlined maintenance and adjustments.\u003c\/p\u003e\u003cp\u003eThis control board functions by processing real-time sensor feedback and translating it into a clear, actionable visual format for the end user. It communicates directly with the primary boiler control logic, enabling precise regulation of water temperatures, pump cycles, and safety interlocks to maintain consistent output while preventing unnecessary equipment wear.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Compatibility:\u003c\/strong\u003e Engineered specifically for seamless integration with Lochinvar and A.O. Smith heating systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Diagnostics:\u003c\/strong\u003e Facilitates rapid identification of system status and error codes for efficient troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Installation:\u003c\/strong\u003e Compact and lightweight architecture ensures a straightforward upgrade process within the boiler control cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Reliability:\u003c\/strong\u003e Built to maintain consistent user interaction in high-demand hydronic heating environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized for routine boiler system maintenance, control panel replacement, and facility management upgrades within commercial and residential hydronic heating installations.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682145374,"sku":"100208461","price":195.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187178194.jpg?v=1786197225"},{"product_id":"lochinvar-100208101-blower-gasket","title":"Lochinvar 100208101 Blower Gasket","description":"\u003cp\u003eMaintain a pressurized combustion chamber in your heating system with the Lochinvar \u003cstrong\u003e100208101\u003c\/strong\u003e blower gasket. This high-quality seal is engineered specifically for compatibility with various Knight and KnightXL wall-mount boilers, ensuring that airflow remains consistent and exhaust gases are properly contained within the venting assembly.\u003c\/p\u003e\u003cp\u003eThe gasket functions by creating a high-temperature barrier between the combustion blower and the boiler housing. By preventing unwanted air infiltration or leakage at this critical junction, the \u003cstrong\u003e100208101\u003c\/strong\u003e ensures that the fuel-to-air ratio remains stable, which is necessary for clean, efficient ignition and long-term burner health.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Integrity:\u003c\/strong\u003e Ensures a hermetic seal to maintain system pressure and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Resistance:\u003c\/strong\u003e Designed to withstand the thermal stress of high-output boiler operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Specification:\u003c\/strong\u003e Serves as a direct replacement for GKT2436 components to guarantee precise fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Compatible with select Lochinvar Knight wall-mount units and KnightXL heating boilers.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682210910,"sku":"100208101","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187175650.jpg?v=1786197229"},{"product_id":"lochinvar-100208652-low-water-cut-off-w-manual-reset","title":"Lochinvar 100208652 LOW WATER CUT-OFF W\/MANUAL RESET","description":"\u003cp\u003eSafeguarding your hydronic system from dry-firing damage, the \u003cstrong\u003e100208652\u003c\/strong\u003e low water cut-off provides a reliable safety interface for Knight fire tube boilers. This essential component, specifically designed for models KH55 through KH285, ensures that burner operation is immediately suspended if water levels drop below safe operating thresholds.\u003c\/p\u003e\u003cp\u003eThis device utilizes a manual reset mechanism, requiring a technician to physically acknowledge and reset the status once safe water levels are restored. By preventing automatic cycling during a low-water event, this control minimizes potential thermal shock and hardware degradation, extending the overall service life of your boiler unit.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual reset safety:\u003c\/strong\u003e Ensures controlled system re-entry only after manual inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad compatibility:\u003c\/strong\u003e Engineered specifically for the Knight KH55–KH285 boiler series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust construction:\u003c\/strong\u003e Built to withstand the rigorous demands of continuous hydronic heating cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Used exclusively in Knight fire tube boiler configurations where automated dry-fire protection is required to meet hydronic safety standards.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682440286,"sku":"100208652","price":155.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187181131.jpg?v=1786197233"},{"product_id":"lochinvar-100328010-natural-gas-burner-assembly","title":"Lochinvar 100328010 Natural Gas Burner Assembly","description":"\u003cp\u003eMaintaining precise combustion air-to-gas ratios is critical for the long-term reliability of your hydronic heating equipment. The \u003cstrong\u003eLochinvar 100328010\u003c\/strong\u003e natural gas burner assembly ensures consistent ignition and flame stability, directly supporting optimal heat exchange within the boiler chamber. Replacing a worn or damaged burner with this genuine \u003cstrong\u003e100328010\u003c\/strong\u003e component restores the operational integrity of your Lochinvar gas-fired system.\u003c\/p\u003e\u003cp\u003eThis assembly facilitates the controlled mixing of gas and combustion air before ignition, creating a uniform flame profile across the burner array. By ensuring a clean, complete burn, the unit helps minimize carbon buildup and maintains the rated output capacity of the heating system, effectively preventing intermittent boiler shutdowns caused by improper ignition or flame sensing errors.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Precision:\u003c\/strong\u003e Engineered to provide consistent air-to-fuel ratios for maximum thermal transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed specifically for compatibility with select Lochinvar gas-fired heating units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Weight Profile:\u003c\/strong\u003e Lightweight design at 2.6 lbs for simplified installation and handling during service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized for residential and light commercial Lochinvar gas-fired boiler systems requiring burner replacement due to structural degradation, flame instability, or ignition failure.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682505822,"sku":"100328010","price":185.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/259275720.jpg?v=1786197237"},{"product_id":"lochinvar-a-o-smith-100208548-immersion-outlet-sensor-for-reliable-temperature-control","title":"Lochinvar \u0026 A.O. Smith 100208548 - IMMERSION OUTLET SENSOR for Reliable Temperature Control","description":"\u003cp\u003eRegulate your commercial or residential water heater performance with the precision of the \u003cstrong\u003e100208548\u003c\/strong\u003e immersion outlet sensor. Engineered by Lochinvar and A.O. Smith, this component provides the critical thermal feedback required to monitor tank water temperature accurately, ensuring your system maintains setpoints while preventing potential overheating.\u003c\/p\u003e\u003cp\u003eThe sensor operates by submerged installation directly into the water stream, where it tracks thermal variance and communicates with the control board. When water reaches the threshold temperature, the sensor triggers the controller to cycle off, maintaining thermal safety and operational efficiency within the tank.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Accuracy:\u003c\/strong\u003e High-sensitivity detection for precise water temperature monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Cycling:\u003c\/strong\u003e Automatic signal output prevents potential overheating and tank damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Standard:\u003c\/strong\u003e Constructed with robust materials to withstand high-pressure water environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Ease:\u003c\/strong\u003e Designed for seamless integration into existing boiler and heater configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in Lochinvar and A.O. Smith high-efficiency water heaters and hydronic heating systems requiring reliable temperature output regulation.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682735198,"sku":"100208548","price":115.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/lochinvar-a-o-smith-100208548-outlet-sensor-2_0c08438e-9b15-44c6-9f12-04314f66aad7.png?v=1786197241"},{"product_id":"lochinvar-plt3022-flame-sensor-with-gasket","title":"Lochinvar PLT3022 Flame Sensor With Gasket","description":"\u003cp\u003eMaintain consistent ignition monitoring and operational safety in your hydronic heating equipment with the Lochinvar \u003cb\u003ePLT3022\u003c\/b\u003e Flame Sensor. This replacement component, identified by part number \u003cb\u003ePLT3022\u003c\/b\u003e, is engineered to detect the presence of burner flames instantly, signaling the control board to sustain gas flow for efficient heat output.\u003c\/p\u003e\u003cp\u003eThe sensor utilizes rectification technology to sense the ionization of the burner flame. When the rod is engulfed in the flame, it converts AC voltage into a DC signal, which is then processed by the ignition control to verify combustion. If the flame is lost or insufficient to produce the required signal, the unit automatically shuts down the gas valve to prevent unburned fuel buildup.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Rectification:\u003c\/strong\u003e Converts heat into a stable DC current for accurate combustion sensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Installation:\u003c\/strong\u003e Includes a factory-matched gasket to maintain chamber pressure and seal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Precision engineered specifically for Lochinvar boiler architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Engineered for use in residential and commercial Lochinvar boiler series requiring flame rectification sensors for ignition safety and combustion management.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137682800734,"sku":"PLT3022","price":50.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/171753589.jpg?v=1786197246"},{"product_id":"lochinvar-100137145-combustion-air-fan-assembly","title":"Lochinvar 100137145 Combustion Air Fan Assembly","description":"\u003cp\u003eOptimizing the fuel-to-air ratio in your boiler is critical for system safety and energy efficiency, and the \u003cstrong\u003eLochinvar 100137145\u003c\/strong\u003e combustion air fan assembly is engineered to deliver consistent airflow. This replacement blower assembly, identified by part number \u003cstrong\u003e100137145\u003c\/strong\u003e, integrates directly into compatible Lochinvar units to ensure that the combustion chamber receives the precise volume of oxygen required for clean, complete fuel ignition.\u003c\/p\u003e\u003cp\u003eThis blower assembly operates by generating the necessary static pressure to push air through the heat exchanger and burner array. By maintaining a steady flow rate, it prevents incomplete combustion, reduces carbon buildup, and supports the overall mechanical longevity of the boiler by ensuring the system does not overwork to overcome airflow restrictions.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Airflow Delivery:\u003c\/strong\u003e Calibrated to meet original factory specifications for optimal burner flame stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Motor Construction:\u003c\/strong\u003e Built for continuous duty cycles in high-demand residential or commercial hydronic environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Integration:\u003c\/strong\u003e Engineered for drop-in compatibility to minimize downtime during HVAC maintenance or repair.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This component is specifically designed for integration into select Lochinvar high-efficiency heating appliances and commercial boiler systems where precise air-fuel monitoring is required for regulatory compliance and operational safety.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137683030110,"sku":"100137145","price":596.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/187189461.jpg?v=1786197249"},{"product_id":"lochinvar-100292715-hex-door-temp-switch-beginning-serial-f14","title":"Lochinvar 100292715 Hex Door Temp Switch Beginning Serial F14","description":"\u003cp\u003eThis thermal safety switch maintains precise temperature monitoring within the boiler cabinet, serving as a critical limit control for units beginning with serial number F14. By utilizing the \u003cstrong\u003e100292715\u003c\/strong\u003e hex door temperature switch, operators ensure the combustion chamber seal remains within safe operational limits, preventing potential thermal degradation of internal components.\u003c\/p\u003e\u003cp\u003eThe device operates as a normally closed thermal circuit interrupter. If ambient temperatures near the access door surpass calibrated thresholds, the internal bimetallic element actuates to break the circuit, triggering an immediate safety lockout.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Protection:\u003c\/strong\u003e Prevents heat-related damage to the cabinet and internal seal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Interlock:\u003c\/strong\u003e Triggers instantaneous system lockout upon detecting excessive heat threshold breaches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for Lochinvar boiler assemblies starting with serial F14.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Designed for field replacement in Lochinvar heating units experiencing cabinet overheating issues or nuisance safety trips caused by door-side temperature fluctuations.\u003c\/p\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":43137683095646,"sku":"100292715","price":51.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/188944403_c9239cd7-c0e8-42db-aab8-2e0cc08b957b.jpg?v=1786197255"}],"url":"https:\/\/nationalboilersupply.com\/collections\/lochinvar.oembed?page=2","provider":"National Boiler Supply","version":"1.0","type":"link"}