{"product_id":"bell-gossett-106507-series-lr-20wr-circulating-pump","title":"Bell \u0026 Gossett 106507 Series LR-20WR Circulating Pump","description":"\u003cp\u003eDesigned to keep hot‑water loops moving smoothly, this circulator pump provides consistent flow for residential and light‑commercial hydronic heating systems. The \u003cstrong\u003e106507\u003c\/strong\u003e model, part of the \u003cstrong\u003eSeries LR‑20WR\u003c\/strong\u003e, integrates seamlessly with standard 2\" NPT pipework and delivers reliable performance even under variable load conditions.\u003c\/p\u003e\u003cp\u003eThe pump utilizes a sealed‑bearing motor and a closed‑circuit impeller design that minimizes friction losses while maintaining high hydraulic efficiency. Variable speed operation (when paired with compatible controls) allows precise flow matching, reducing energy consumption and extending motor life.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e Consistent delivery suited for 1‑ to 3‑ton heating loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Capacity:\u003c\/strong\u003e Maintains pressure across typical loop lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Optimized motor design reduces kW‑hour usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Cast‑iron housing provides corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential boiler circulation, small‑commercial heat‑pump loops, domestic water recirculation, and multi‑zone radiant floor systems.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118609170526,"sku":"106507","price":448.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/106507_image_ec52d765-bb2a-4f8c-8927-f945dd230638.png?v=1785977897","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-106507-series-lr-20wr-circulating-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}