{"product_id":"armstrong-110223-326-astro-210ci-cast-iron-circulating-pump","title":"Armstrong 110223-326 Astro 210CI Cast Iron Circulating Pump","description":"\u003cp\u003eA robust cast‑iron circulating pump ensures steady hot‑water flow throughout commercial and residential hydronic systems. The Armstrong \u003cstrong\u003e110223-326\u003c\/strong\u003e Astro 210CI model delivers reliable performance in demanding applications.\u003c\/p\u003e\u003cp\u003eThe pump’s sealed‑bearing design and cast‑iron body provide low‑maintenance operation, while its impeller delivers consistent pressure at 1‑inch connections, supporting efficient heat distribution.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Adequate for typical 2‑zone residential loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rise:\u003c\/strong\u003e Maintains system pressure up to 30 psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Handles water temperatures up to 180°F (82°C).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e🚨 \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for boiler supply loops, domestic hot‑water recirculation, and small‑scale commercial heating systems.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123884097630,"sku":"110223-326","price":454.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110223_326_image_caefc905-5dea-4f16-8a37-4a0fe01e5657.png?v=1786021042","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110223-326-astro-210ci-cast-iron-circulating-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}