{"product_id":"armstrong-116535-136a-s-69-3-cast-iron-3-phase-circulator-pump","title":"Armstrong 116535-136A S-69-3 Cast Iron 3-Phase Circulator Pump","description":"\u003cp\u003eEfficiently circulate water in your commercial heating and cooling systems with the high-performance \u003cstrong\u003e116535-136A\u003c\/strong\u003e Armstrong \u003cstrong\u003eS-69-3\u003c\/strong\u003e pump. Designed for heavy-duty hydronic applications, this robust cast iron unit ensures consistent flow and reliable operation for demanding HVAC environments.\u003c\/p\u003e\u003cp\u003eThe pump utilizes a precision-engineered motor and impeller assembly to maintain optimal fluid pressure throughout the loop. Its 3-phase configuration provides smooth, high-torque operation, reducing vibration and mechanical stress on the system components during continuous cycling.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Engineered for sustained performance in commercial hydronic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Heavy-duty cast iron housing provides superior heat and pressure resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation Type:\u003c\/strong\u003e Reliable 3-phase power delivery for stable industrial fluid circulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed for direct replacement and ease of field installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for large-scale hydronic heating, chilled water systems, and commercial water circulation loops requiring high flow reliability.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43124051542110,"sku":"116535-136A","price":4568.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/116535_136A_image_d86f094f-4d55-45fa-9b2b-66ec8922429c.png?v=1786030737","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-116535-136a-s-69-3-cast-iron-3-phase-circulator-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}