{"product_id":"bell-gossett-103401lf-nbf-36-1-6-hp-3-speed-pump","title":"Bell \u0026 Gossett 103401LF NBF-36 1\/6 HP 3-Speed Pump","description":"\u003cp\u003eDesigned for robust water circulation in HVAC and hydronic applications, the NBF‑36 pump provides reliable flow control across three speed settings. The **103401LF** part integrates a 1\/6 HP motor and durable cast‑iron construction for long‑term service.\u003c\/p\u003e\u003cp\u003eThe pump operates with a centrifugal impeller that moves water efficiently through a sealed housing, allowing each of the three motor speeds to be selected for precise capacity matching. Its 1‑inch NPT connection ensures straightforward integration into existing pipework.\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 16 GPM at 30 psi, depending on system pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 1\/6 HP motor delivers optimal efficiency across all three speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Settings:\u003c\/strong\u003e Three selectable speeds for flexible flow control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size:\u003c\/strong\u003e Standard 1\" NPT inlet and outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Construction:\u003c\/strong\u003e Cast‑iron housing for durability in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for small‑to‑medium HVAC water loops, hydronic heating systems, cooling‑tower recirculation, and booster applications where precise flow modulation is required.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118339620958,"sku":"103401LF","price":695.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/103401LF_image_832191ab-be25-41df-ab28-4b9a523ae7ad.png?v=1785971499","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-103401lf-nbf-36-1-6-hp-3-speed-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}