{"product_id":"armstrong-174033mf-043-s-35ab-1-6hp-circulation-pump","title":"Armstrong 174033MF-043 S-35AB 1\/6HP Circulation Pump","description":"\u003cp\u003eMaintain consistent flow and hydronic efficiency in your heating system with the robust Armstrong S-35AB circulation pump. Featuring a reliable 1\/6HP motor, this unit, identified by manufacturer part number \u003cstrong\u003e174033MF-043\u003c\/strong\u003e, is engineered to handle the rigorous demands of residential and light commercial fluid circulation. This \u003cstrong\u003eS-35AB\u003c\/strong\u003e model serves as a direct replacement component, ensuring your boiler system operates at peak capacity while minimizing noise and energy consumption.\u003c\/p\u003e\u003cp\u003eThe pump utilizes a centrifugal design to move water through hydronic piping loops, effectively overcoming system resistance to ensure even heat distribution. Its integrated mechanical seal and precision-balanced impeller work in tandem to minimize vibration and reduce mechanical wear over extended duty cycles, providing a long-term solution for building climate control.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Output:\u003c\/strong\u003e Robust 1\/6HP power rating for consistent head pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Designed specifically for standardized Armstrong S-series hydronic configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation Efficiency:\u003c\/strong\u003e Engineered for quiet, continuous-duty circulation in closed-loop systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for hot water heating systems, domestic hot water recirculation loops, and residential boiler maintenance applications requiring reliable, high-performance fluid transfer.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43126633594974,"sku":"174033MF-043","price":2527.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/174033MF_043_image_ea4ac59c-4b2c-40c8-96fb-aca82634815f.png?v=1786046748","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-174033mf-043-s-35ab-1-6hp-circulation-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}