{"product_id":"hoffman-402442-series-2100-pressure-reducing-main-valve-3-4-npt","title":"Hoffman 402442 Series 2100 Pressure Reducing Main Valve 3\/4\" NPT","description":"\u003cp\u003eEnsure consistent performance in your hydronic heating system with the \u003cstrong\u003eHoffman 402442\u003c\/strong\u003e Series 2100 pressure reducing main valve. This 3\/4\" NPT component is engineered to automatically regulate water supply pressure, protecting your boiler and piping infrastructure from damaging spikes and maintaining optimal operating levels for longevity.\u003c\/p\u003e\u003cp\u003eThe Series 2100 valve functions by utilizing an internal diaphragm-actuated design that responds to downstream pressure changes. When the system pressure drops below the set point, the valve modulates to allow additional makeup water, ensuring a steady, reliable supply for efficient system operation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Regulation:\u003c\/strong\u003e Maintains consistent downstream pressure levels for reliable hydronic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Engineered to withstand the rigors of high-temperature heating systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Features a standard 3\/4\" NPT connection for seamless installation into existing supply lines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for professional hydronic heating contractors and maintenance facilities performing routine boiler system upgrades, pressure regulation maintenance, or new installations requiring dependable water makeup control.\u003c\/p\u003e","brand":"Hoffman","offers":[{"title":"Default Title","offer_id":43128917426270,"sku":"402442","price":2064.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/402442_image_86e80c02-7969-4886-b1b1-565dea50f2c5.png?v=1786071853","url":"https:\/\/nationalboilersupply.com\/products\/hoffman-402442-series-2100-pressure-reducing-main-valve-3-4-npt","provider":"National Boiler Supply","version":"1.0","type":"link"}