{"product_id":"armstrong-182212-667-e22-2-cast-iron-circulator-pump","title":"Armstrong 182212-667 E22.2 Cast Iron Circulator Pump","description":"\u003cp\u003eThis reliable circulator pump is designed to provide efficient fluid circulation in residential and light commercial hydronic heating systems. The \u003cstrong\u003eArmstrong 182212-667\u003c\/strong\u003e model \u003cstrong\u003eE22.2\u003c\/strong\u003e is engineered for seamless integration into existing piping layouts, ensuring consistent thermal distribution throughout your building.\u003c\/p\u003e\u003cp\u003eBuilt with high-quality cast iron, this pump utilizes a precision-balanced impeller to minimize vibration and reduce noise during operation. Its robust construction ensures long-term durability against the thermal stresses of hot water circulation, maintaining steady flow rates for optimal heat exchange efficiency.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Heavy-duty cast iron housing provides excellent resistance to corrosion and structural wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Engineered for optimized hydraulic performance to reduce overall system energy consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Precision-balanced internals ensure smooth, low-vibration performance during continuous duty cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for closed-loop hydronic heating systems, radiant floor heating zones, and secondary loop circulation in commercial boiler installations.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43127394107486,"sku":"182212-667","price":2059.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/182212_667_image_c25a7cc3-e03e-4a2c-8080-a77445014be3.png?v=1786052288","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-182212-667-e22-2-cast-iron-circulator-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}