{"product_id":"hoffman-402478-series-2100-pressure-reducing-main-valve-1-1-2-npt","title":"Hoffman 402478 Series 2100 Pressure Reducing Main Valve 1-1\/2\" NPT","description":"\u003cp\u003eEfficiently regulate hydronic system pressure with the \u003cb\u003eHoffman 402478\u003c\/b\u003e, a robust \u003cb\u003eSeries 2100\u003c\/b\u003e pressure reducing main valve designed for demanding commercial and industrial applications. This 1-1\/2\" NPT component ensures consistent downstream pressure delivery, safeguarding your boiler equipment and piping infrastructure from damaging pressure spikes.\u003c\/p\u003e\u003cp\u003eThis valve utilizes a spring-loaded diaphragm mechanism that automatically compensates for fluctuations in supply pressure. By continuously monitoring the discharge side, it modulates the internal seat to maintain a stable, pre-set pressure, providing reliable performance in closed-loop heating or process water systems.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic Regulation:\u003c\/b\u003e Maintains precise downstream pressure settings despite varying supply conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurability Engineered:\u003c\/b\u003e Constructed with high-grade materials to withstand continuous operational stress in hydronic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStreamlined Maintenance:\u003c\/b\u003e Designed for longevity and ease of service within established plumbing configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in commercial steam and hot water boiler feed lines, industrial process temperature control systems, and centralized hydronic heating distribution mains where stable pressure is critical to system longevity.\u003c\/p\u003e","brand":"Hoffman","offers":[{"title":"Default Title","offer_id":43128992628830,"sku":"402478","price":2268.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/402478_image_59644023-49ff-404d-b9b2-917a43d604b9.png?v=1786072959","url":"https:\/\/nationalboilersupply.com\/products\/hoffman-402478-series-2100-pressure-reducing-main-valve-1-1-2-npt","provider":"National Boiler Supply","version":"1.0","type":"link"}