{"product_id":"armstrong-110108mf-680-boiler-header-pump","title":"Armstrong 110108MF-680 Boiler Header Pump","description":"\u003cp\u003eThe boiler header pump circulates water between the heat exchanger and the distribution system, maintaining steady pressure for efficient heating. This Armstrong unit, part number \u003cstrong\u003e110108MF-680\u003c\/strong\u003e, is engineered for Raypak 4MF boiler applications.\u003c\/p\u003e\u003cp\u003eUtilizing a compact, pump‑less volute design, the pump moves water through a sealed impeller chamber, delivering constant flow while minimizing vibration and noise. Integrated seals protect against leaks, and the robust motor ensures long‑term reliability.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e up to 12 GPM for reliable circulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Pressure:\u003c\/strong\u003e 0‑30 psi to match typical boiler header requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e up to 212 °F (100 °C) for diverse heating cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e optimized motor design reduces power consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e low‑noise operation for quiet installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e🚨\u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Raypak 4 hydronic heating boilers, commercial hot‑water recirculation loops, residential boiler retrofits, and any system requiring a reliable header pump.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123631292510,"sku":"110108MF-680","price":1525.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110108MF_680_image_5b1302b5-9c5c-45ab-bc1d-6ed851ad5d38.png?v=1786016826","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110108mf-680-boiler-header-pump","provider":"National Boiler Supply","version":"1.0","type":"link"}