{"product_id":"armstrong-110116mf-303-h-53-3-lv-pump-less-volute","title":"Armstrong 110116MF-303 H-53-3 LV Pump Less Volute","description":"\u003cp\u003eThe Armstrong less‑volute pump is engineered to provide consistent water flow for boiler and hydronic heating systems, ensuring optimal temperature regulation and energy savings. The \u003cstrong\u003e110116MF-303\u003c\/strong\u003e model, part of the H‑53‑3 LV series, replaces the original pump with a reliable, low‑volute design.\u003c\/p\u003e\u003cp\u003eIt utilizes a compact impeller and reduced volute geometry to minimize turbulence, delivering steady pressure while decreasing motor load. The sealed bearing housing ensures long‑life operation under continuous duty cycles.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e Maintains design flow for standard boiler loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Efficiency:\u003c\/strong\u003e Lower motor demand reduces electricity use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Pressure:\u003c\/strong\u003e Stable pressure across typical system ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits existing H‑53‑3 LV mounting and connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Designed for commercial boiler loops, heat‑exchangers, Raypak water heaters, and retrofit upgrades in existing hydronic systems requiring a low‑volute pump replacement.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123732643934,"sku":"110116MF-303","price":2118.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110116MF_303_image_c597c20c-3a88-4721-bb05-63401e685362.png?v=1786018301","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110116mf-303-h-53-3-lv-pump-less-volute","provider":"National Boiler Supply","version":"1.0","type":"link"}