{"product_id":"armstrong-119381-113-compass-r40-45ci-variable-speed-circulator-pump","title":"Armstrong 119381-113 Compass R40-45CI Variable Speed Circulator Pump","description":"\u003cp\u003eThis energy-efficient, variable speed dry-rotor circulator is engineered to provide superior flow control for residential heating, cooling, and potable water supply systems. The \u003cstrong\u003eArmstrong 119381-113\u003c\/strong\u003e, commonly identified as the \u003cstrong\u003eCompass R40-45CI\u003c\/strong\u003e, offers installers and homeowners a versatile solution that adapts to fluctuating system demands while maintaining optimal thermal comfort.\u003c\/p\u003e\u003cp\u003eThe unit utilizes advanced motor technology to modulate speed automatically, reducing electrical consumption compared to traditional fixed-speed pumps. Its design promotes quiet, reliable operation within modern hydronic networks, ensuring consistent fluid delivery and extended lifespan for internal components.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Variable speed motor operation drastically reduces power usage based on real-time load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Versatility:\u003c\/strong\u003e Designed for seamless integration into existing residential HVAC and domestic hot water loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Reliability:\u003c\/strong\u003e Dry-rotor construction ensures long-term durability and resistance to common system contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential hydronic heating loops, radiant floor heating distribution, and domestic hot water recirculating applications requiring precise flow modulation.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43124278493278,"sku":"119381-113","price":1857.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/119381_113_image_82cc85b3-2aa8-4b53-ba32-81afebcb6bd0.png?v=1786034485","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-119381-113-compass-r40-45ci-variable-speed-circulator-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}