{"product_id":"armstrong-110223-320-astro-280ci-cast-iron-circulating-pump","title":"Armstrong 110223-320 Astro 280CI Cast Iron Circulating Pump","description":"\u003cp\u003eReliable circulation of heated water is critical for maintaining steady indoor temperatures and efficient boiler operation. The \u003cstrong\u003e110223-320\u003c\/strong\u003e Armstrong Astro 280CI cast‑iron circulating pump delivers robust flow while resisting corrosion and wear.\u003c\/p\u003e\u003cp\u003eFeaturing a cast‑iron housing and a sealed‑bearing motor, the pump moves water through a single‑stage impeller that generates consistent pressure across a range of system demands. Its low‑speed design reduces noise and energy consumption.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Provides ample GPM flow for typical residential and light‑commercial loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Head:\u003c\/strong\u003e Handles system pressures up to industry‑standard limits for reliable circulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Power:\u003c\/strong\u003e Optimized low‑watt consumption for energy‑efficient operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Designed for continuous use within standard hydronic temperature ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential boiler loops, small commercial heating systems, domestic hot water recirculation, and mixed‑use buildings requiring durable, low‑noise pump performance.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123876593758,"sku":"110223-320","price":672.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110223_320_image_4986fcc7-1751-47b9-872d-3112053637f3.png?v=1786020850","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110223-320-astro-280ci-cast-iron-circulating-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}