{"product_id":"armstrong-110223-310-225ssu-circulating-pump-with-union-connection","title":"Armstrong 110223-310 225SSU Circulating Pump with Union Connection","description":"\u003cp\u003eReliable water circulation is essential for efficient hydronic heating systems. The Armstrong \u003cstrong\u003e110223-310\u003c\/strong\u003e 225SSU circulating pump with a union connection delivers steady flow while simplifying installation.\u003c\/p\u003e\u003cp\u003eThe pump features a sealed, cast‑iron body and a robust mechanical seal that maintains performance under high‑temperature conditions. Its integrated union eliminates the need for additional fittings, reducing potential leak points and installation time.\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 38 GPM at 30 psi, supporting medium‑size residential loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Efficient 1‑hp motor provides reliable performance with low energy draw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Designed for continuous operation up to 180 °F (82 °C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Cast‑iron construction ensures long‑term service life in demanding applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and light‑commercial hydronic heating loops, boiler recirculation, domestic hot water systems, and floor‑heat distribution networks.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123864961118,"sku":"110223-310","price":512.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110223_310_image_bf17eb33-93e8-45ff-826a-f6c99ff42fe5.png?v=1786020584","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110223-310-225ssu-circulating-pump-with-union-connection","provider":"National Boiler Supply","version":"1.0","type":"link"}