{"product_id":"bell-gossett-103351lf-nbf-33-circulating-pump-1-15-hp","title":"Bell \u0026 Gossett 103351LF NBF-33 Circulating Pump 1\/15 HP","description":"\u003cp\u003eEnsure consistent hot‑water delivery throughout a building with a reliable circulator pump designed for residential and light‑commercial hydronic systems. The \u003cstrong\u003e103351LF\u003c\/strong\u003e model, part of Bell \u0026amp; Gossett's NBF‑33 series, provides 1\/15 HP of steady flow for efficient loop performance.\u003c\/p\u003e\u003cp\u003eThe pump features a sealed‑tight, bearing‑lubricated motor coupled to a compact volute housing that creates a gentle, vortex‑induced flow. Its low‑speed operation minimizes noise while maintaining the pressure needed to overcome system resistance.\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 3 GPM at 10 ft head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 1\/15 HP (approx. 125 W).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e Quiet operation below 45 dBA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility:\u003c\/strong\u003e 3\/4‑in. NPT inlet\/outlet for easy retrofit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for domestic hot‑water recirculation, small‑capacity boiler feed loops, radiant floor heating circuits, and commercial kitchen water loops.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118337851486,"sku":"103351LF","price":585.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/103351LF_image_862ef664-9771-4031-b992-cbd09ceec316.jpg?v=1785971371","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-103351lf-nbf-33-circulating-pump-1-15-hp","provider":"National Boiler Supply","version":"1.0","type":"link"}