{"product_id":"armstrong-119181-173-compass-r20-75ss-dry-rotor-variable-speed-circulator","title":"Armstrong 119181-173 Compass R20-75SS Dry Rotor Variable Speed Circulator","description":"\u003cp\u003eMaintain precise hydronic system control with the \u003cstrong\u003eArmstrong 119181-173 Compass R20-75SS\u003c\/strong\u003e, a high-efficiency dry rotor variable speed circulator designed for seamless integration in residential and commercial applications. By utilizing intelligent pump technology, this \u003cstrong\u003eCompass R20-75SS\u003c\/strong\u003e unit automatically adjusts its performance to match the fluctuating demands of your heating loop, ensuring consistent comfort while significantly reducing energy waste.\u003c\/p\u003e\u003cp\u003eThis circulator operates via a high-torque, electronically commutated motor that eliminates the need for mechanical seals, reducing maintenance requirements and preventing common fluid leaks. The adaptive logic built into the driver continuously monitors system pressure differentials, allowing the impeller to modulate flow rates without manual intervention, which protects your piping infrastructure from noise and velocity-related wear.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Advanced variable speed drive reduces power consumption by adapting to real-time system demand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility:\u003c\/strong\u003e Compact footprint allows for streamlined integration into tight mechanical spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Longevity:\u003c\/strong\u003e Dry rotor architecture minimizes mechanical friction and internal wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Modulation:\u003c\/strong\u003e Automatic flow control ensures optimal hydronic balancing across all zones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for zoned residential radiant floor heating, high-efficiency baseboard systems, and closed-loop hydronic circulation requiring consistent pressure maintenance.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43124275970142,"sku":"119181-173","price":3663.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/119181_173_image_693a4945-1c40-440f-afe5-d34d5cf8ab24.png?v=1786034414","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-119181-173-compass-r20-75ss-dry-rotor-variable-speed-circulator","provider":"National Boiler Supply","version":"1.0","type":"link"}