{"product_id":"armstrong-106285mf-137a-s-57-3-bronze-centrifugal-pump","title":"Armstrong 106285MF-137A S-57-3 Bronze Centrifugal Pump","description":"\u003cp\u003eDesigned for reliable fluid circulation in HVAC and hydronic heating systems, this bronze centrifugal pump ensures steady flow and low maintenance. The \u003cstrong\u003e106285MF-137A\u003c\/strong\u003e model, part of Armstrong’s S‑57‑3 AB series, delivers 3\/4 hp of dependable power.\u003c\/p\u003e\u003cp\u003eThe pump utilizes an all‑bronze volute and impeller design that maximizes hydraulic efficiency while resisting corrosion. Its sealed bearings and balanced impeller reduce vibration, providing smooth operation across a range of pressures.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Supports medium‑duty flow rates suitable for residential and light commercial loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Engineered to operate at optimal hydraulic efficiency, minimizing power draw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e All‑bronze construction resists rust and wear for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e Designed for quiet operation, reducing acoustic impact in occupied spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Residential boiler circulators, commercial hydronic heating, HVAC chill‑water loops, and low‑temperature heat‑pump systems.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43118602551390,"sku":"106285MF-137A","price":5171.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/106285MF_137A_image_986873fb-6886-4f49-9533-623ec9a70808.png?v=1785977726","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-106285mf-137a-s-57-3-bronze-centrifugal-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}