{"product_id":"1-pack-xfitting-1-2-in-male-x-female-npt-brass-check-valve-one-way-rv-water-heater-backflow","title":"1\/2 in Male x Female NPT Brass Check Valve, One-Way RV Water Heater Backflow","description":"This 1\/2 in Male x Female NPT brass check valve stops backflow in a single, easy-to-install fitting. The stainless\nsteel spring keeps the valve responsive in vertical or horizontal installs, and the brass body is listed to NSF\/ANSI 61\nfor safe potable water use. With a low opening pressure of about 45 PSI and a max rating of 230 psi, it's built for a\nwide range of systems — RV and residential water heaters, wells, pumps, tanks, solar setups, and general\nplumbing lines. Standard 1\/2 in NPT threads connect directly to existing fittings, no adapters required.\u003cul\u003e\n\u003cli\u003eONE-WAY BACKFLOW PROTECTION — Allows water to flow in one direction only, stopping backflow into your\nfreshwater line — the stainless steel spring keeps the valve responsive whether it's mounted vertically or\nhorizontally.\u003c\/li\u003e\n\u003cli\u003eBRASS BODY, NSF\/ANSI 61 LISTED — Solid brass construction is listed to NSF\/ANSI 61 for safe potable\nwater use, resists corrosion for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e1\/2 IN MALE x FEMALE NPT — Standard NPT taper thread connects directly to existing 1\/2 in fittings — no\nadapters needed for most water heater, pump, or supply line installs.\u003c\/li\u003e\n\u003cli\u003eVERSATILE APPLICATION — Works for RV and home water heaters, wells, pumps, tanks, solar systems, and\ngeneral plumbing — not limited to a single use case.\u003c\/li\u003e\n\u003cli\u003eLOW OPENING PRESSURE, HIGH MAX RATING — Opens at approximately 45 PSI with minimal back\npressure required, rated up to 230 psi max — reliable flow control across a wide range of systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"XFITTING","offers":[{"title":"Default Title","offer_id":56861111943334,"sku":"202-6-9=1","price":6.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/2630\/2886\/files\/202-6-9-MAIN01_a6c9a8b9-773a-46ba-8acb-f73790ef7c27.png?v=1784923005","url":"https:\/\/xfitting.com\/products\/1-pack-xfitting-1-2-in-male-x-female-npt-brass-check-valve-one-way-rv-water-heater-backflow","provider":"XFITTING","version":"1.0","type":"link"}