{"product_id":"armstrong-110223-317-astro-250ci-r-circulating-pump","title":"Armstrong 110223-317 Astro 250CI-R Circulating Pump","description":"\u003cp\u003eThe Armstrong Astro 250CI-R circulating pump provides reliable, efficient hot‑water flow for residential and light‑commercial hydronic heating systems. This unit, part number \u003cstrong\u003e110223-317\u003c\/strong\u003e, is engineered for steady circulation and energy savings.\u003c\/p\u003e\u003cp\u003eDesigned with a robust motor and sealed‑bearing construction, the pump moves water through a closed loop, maintaining consistent pressure while minimizing noise. Its reversible motor allows flexible installation direction, and the cast‑iron housing resists corrosion.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Up to 250 GPM at a 25 °F temperature rise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Pressure:\u003c\/strong\u003e Approximately 31 ft of head at full flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Optimized for low energy use, complying with ENERGY STAR standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Speed:\u003c\/strong\u003e Fixed 3450 RPM for stable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for boiler return lines, domestic hot‑water recirculation, radiant floor heating loops, and mixed‑water systems in single‑family homes or small multifamily buildings.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123872268382,"sku":"110223-317","price":284.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110223_317_image_cbcd8c6b-7dac-4952-8024-fac196b527f0.png?v=1786020744","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110223-317-astro-250ci-r-circulating-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}