{"product_id":"4-m400n-nrs","title":"4 M400N-NRS","description":"\u003cp\u003eThis 4 inch Maxim reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply. It protects against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements, making it ideal for continuous pressure piping and health hazard cross-connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003e304 (Schedule 40) stainless steel housing and sleeve\u003c\/strong\u003e for durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, up to \u003cstrong\u003e70 percent lighter\u003c\/strong\u003e than traditional designs, allowing for smaller enclosures.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eNRS (Non-Rising Stem) shutoff valves\u003c\/strong\u003e and \u003cstrong\u003eLink Check Modules\u003c\/strong\u003e for lowest pressure loss and ease of serviceability.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003ereplaceable check disc rubber\u003c\/strong\u003e, \u003cstrong\u003edrip tight shutoff valves\u003c\/strong\u003e, and a \u003cstrong\u003ebottom mounted stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003ehorizontal N pattern installation\u003c\/strong\u003e with \u003cstrong\u003egroove couplings\u003c\/strong\u003e for easy setup and pipe alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNOTICE: This information is not a substitute for full product installation and safety instructions. You must thoroughly read all instructions before installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796609900821,"sku":"0191098","price":12241.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/176124.jpg?v=1772724225","url":"https:\/\/www.backflowpreventer.com\/products\/4-m400n-nrs","provider":"Water Specialties Company","version":"1.0","type":"link"}