{"product_id":"armstrong-180203-686-compass-h20-20-ci-variable-speed-circulator","title":"Armstrong 180203-686 Compass H20-20 CI Variable Speed Circulator","description":"\u003cp\u003eOptimized for high-efficiency hydronic heating systems, the \u003cstrong\u003eArmstrong 180203-686\u003c\/strong\u003e Compass H20-20 CI variable speed circulator delivers precise flow control to maintain indoor comfort. This advanced circulator, model \u003cstrong\u003eH20-20\u003c\/strong\u003e, provides professional-grade hydronic circulation by automatically adjusting its speed to match the specific demands of your plumbing network, significantly reducing energy consumption compared to fixed-speed alternatives.\u003c\/p\u003e\u003cp\u003eThe unit utilizes sophisticated sensorless technology to monitor system pressure and flow, dynamically reacting to valve adjustments or zone changes in real-time. By modulating output based on instantaneous load requirements, this cast iron circulator ensures optimal system balance while extending the operational lifespan of both the pump and connected heating components.\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 reduced power draw and lower operating costs in residential applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Control:\u003c\/strong\u003e Features variable speed modulation that adapts to changing hydraulic conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction Quality:\u003c\/strong\u003e Built with a durable cast iron body for long-term reliability in closed-loop systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Versatility:\u003c\/strong\u003e Designed for seamless integration into existing hydronic plumbing layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential radiant heating loops, hydronic baseboard heating, and zone control applications requiring reliable, demand-based fluid circulation.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43127324344414,"sku":"180203-686","price":424.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/180203_686_image_c37a77af-1cf4-4cdc-ab42-e07d94d9dc91.png?v=1786050325","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-180203-686-compass-h20-20-ci-variable-speed-circulator","provider":"National Boiler Supply","version":"1.0","type":"link"}