{"product_id":"grundfos-ups26-99fc-circulator-pump-52722512","title":"Grundfos UPS26-99FC Circulator Pump 52722512","description":"\u003ch2\u003eGrundfos UPS26-99FC (52722512) 3-Speed Cast Iron Circulator Pump with Check Valve\u003c\/h2\u003e\n\u003cp\u003e\n  Engineered for versatile hydronic heating performance and energy-efficient fluid circulation, the \n  \u003cstrong\u003eGrundfos UPS26-99FC (Part Number 52722512)\u003c\/strong\u003e is a high-performance, 3-speed wet-rotor circulator pump designed for closed-loop hydronic systems, radiant floor heating, fan coils, and boiler loops. Featuring a 2-bolt flanged connection, a 1\/6 HP motor running on 115V single-phase power, and an integrated removable check valve, this cast iron pump offers maximum system flexibility.\n\u003c\/p\u003e\n\u003cp\u003e\n  The UPS26-99FC features a multi-speed control switch that allows contractors and system designers to select between three speed settings (Low, Medium, and High) to precisely match system head loss and flow requirements. Built with a corrosion-resistant composite impeller, ceramic radial bearings, and a stainless steel rotor can, this unit provides quiet, maintenance-free operation and long-term durability.\n\u003c\/p\u003e\n\n\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e3-Speed Built-In Versatility:\u003c\/strong\u003e Adjustable 3-speed motor selector allows precise system matching, replacing over 15 competitive pump models with a single unit.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eIntegrated Flow Check (FC):\u003c\/strong\u003e Equipped with a removable spring-loaded check valve to prevent unwanted gravity circulation and backflow without extra fittings.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eWet-Rotor Maintenance-Free Design:\u003c\/strong\u003e Self-lubricating pump construction eliminates mechanical seal maintenance and shaft couplers.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eWhisper-Quiet Operation:\u003c\/strong\u003e Engineered for sound-sensitive commercial and residential closed-loop heating applications.\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  ⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Designed for closed-loop hydronic heating systems, radiant floor heating, baseboards, radiators, fan coils, snow-melting loops, and solar heating lines requiring up to 33 GPM flow and 29 FT head up to 145 PSI. \u003cem\u003e(Not for potable water use).\u003c\/em\u003e\n\u003c\/p\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":43042445623390,"sku":"52722512","price":546.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Grundfos_52722512_UPS26-99FC_3-speed_cast_iron_hydronic_circulator_pump_115V..jpg?v=1784808863","url":"https:\/\/nationalboilersupply.com\/products\/grundfos-ups26-99fc-circulator-pump-52722512","provider":"National Boiler Supply","version":"1.0","type":"link"}