{"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":52726.0,"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":"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":14850.0,"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":100.0,"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":55.0,"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":600.0,"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":4250.0,"currency_code":"USD","in_stock":false}],"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"}],"url":"https:\/\/nationalboilersupply.com\/collections\/lochinvar.oembed","provider":"National Boiler Supply","version":"1.0","type":"link"}