{"product_id":"bell-gossett-103404-nrf-45-1-6-hp-3-speed-circulator-pump","title":"Bell Gossett 103404 NRF-45 1\/6 HP 3-Speed Circulator Pump","description":"\u003cp\u003eDesigned to maintain steady hot‑water flow in hydronic heating loops, the Bell Gossett NRF‑45 provides three speed settings for precise control. This **103404** pump delivers 1\/6 HP power in a compact inline booster package.\u003c\/p\u003e\u003cp\u003eThe three‑speed motor adjusts flow rates by varying the impeller speed, allowing system pressure to be matched to demand while reducing energy consumption. Its sealed‑for‑life bearings and corrosion‑resistant housing ensure reliable operation in demanding environments.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Up to 12 GPM at low speed, scaling to 30 GPM at high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rise:\u003c\/strong\u003e Provides up to 15 ft H₂O head, suitable for typical residential loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Three‑speed design cuts motor draw by up to 40 % at low demand.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential boiler circulations, commercial water‑to‑water heat exchangers, spa recirculation, and small‑scale hydronic heating systems.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118340571230,"sku":"103404","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/103404_image_e0efbbcd-8755-4fb2-bc45-38ae59d88307.jpg?v=1785971555","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-103404-nrf-45-1-6-hp-3-speed-circulator-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}