{"product_id":"armstrong-816304-317k-5-1-4-non-ferrous-pump-impeller","title":"Armstrong 816304-317K 5-1\/4\" Non-Ferrous Pump Impeller","description":"\u003cp\u003eMaintain peak hydraulic efficiency in your heating and cooling systems with this durable 5-1\/4\" non-ferrous replacement impeller. Engineered by Armstrong, the \u003cstrong\u003e816304-317K\u003c\/strong\u003e is designed to restore flow rates and reduce mechanical drag in compatible circulator pumps, specifically ensuring seamless compatibility with models like the \u003cstrong\u003eS-57 and H-54\u003c\/strong\u003e series.\u003c\/p\u003e\u003cp\u003eThis impeller operates by converting mechanical energy from the pump motor into fluid kinetic energy, optimizing pressure head and volumetric output. The precision-cast non-ferrous construction resists corrosion and mineral buildup, which helps mitigate vibration and protects the motor seal from premature wear caused by cavitation or imbalances.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Efficiency:\u003c\/strong\u003e Precision blade geometry ensures optimal fluid transfer and reduced energy consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e Non-ferrous material composition prevents oxidation for prolonged service life in hydronic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Operation:\u003c\/strong\u003e Dynamically balanced design minimizes bearing strain and acoustic output during high-speed rotation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily used in Armstrong S-57 and H-54 series circulator pumps for commercial and residential hydronic heating, industrial process cooling, and secondary hot water loops.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43133751165022,"sku":"816304-317K","price":452.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/816304_317K_image_51445e65-56ba-4f6b-a864-a9ec7c2f9a38.png?v=1786108911","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-816304-317k-5-1-4-non-ferrous-pump-impeller","provider":"National Boiler Supply","version":"1.0","type":"link"}