{"product_id":"webstone-h-14443wpr-3-4-inch-pex-crimp-tankless-valve-kit","title":"Webstone h-14443wpr 3\/4 Inch Pex Crimp Tankless Valve Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WEBSTONE h-14443wpr is a 3\/4-inch PEX crimp isolator service valve kit engineered for tankless water heater installations requiring reliable shutoff and pressure relief. Built from lead-free brass, this kit incorporates the Isolator E-X-P E2 design, which uses a blowout-proof stem and an adjustable packing gland for long-term service integrity. A 150 PSI pressure relief valve is included, and the assembly is rated to 400 WOG. Threaded ends conform to ANSI B1.20.1, and PEX ends comply with ASTM F-1807. Licensed plumbers and HVAC technicians working on tankless domestic hot water systems are the primary installers.\u003c\/p\u003e\n\u003cp\u003eThis valve kit is suited for residential and commercial potable water applications where tankless water heaters require a dedicated service valve assembly. The FNPT union by PEX crimp connection type simplifies installation into existing or new PEX distribution systems without the need for soldering. The kit provides a complete, code-ready solution for isolating and servicing tankless units, making it a practical choice for new construction and retrofit projects alike.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass construction meets potable water requirements\u003c\/li\u003e\n  \u003cli\u003eBlowout-proof stem design with adjustable packing gland for durable shutoff performance\u003c\/li\u003e\n  \u003cli\u003eIncludes 150 PSI pressure relief valve for integrated overpressure protection\u003c\/li\u003e\n  \u003cli\u003eRated to 400 WOG for reliable pressure handling in residential and light commercial systems\u003c\/li\u003e\n  \u003cli\u003eFNPT union x PEX crimp connection eliminates the need for soldering during installation\u003c\/li\u003e\n  \u003cli\u003eThreaded ends comply with ANSI B1.20.1 and PEX ends comply with ASTM F-1807\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style service valve kit for 3\/4-inch PEX crimp tankless water heater installations in residential and commercial potable water systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber in accordance with local plumbing codes and IPC guidelines. Shut off the water supply and relieve system pressure before beginning any valve work. PEX crimp connections require a properly sized crimp ring and a calibrated crimp tool to ensure a watertight seal. Verify that all threaded connections are made up with appropriate thread sealant compatible with potable water service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: FNPT Union x PEX Crimp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Operating Pressure\u003c\/strong\u003e: 400 WOG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Relief Valve Rating\u003c\/strong\u003e: 150 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: ANSI B1.20.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePEX End Standard\u003c\/strong\u003e: ASTM F-1807\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WEBSTONE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: h-14443wpr\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WEBSTONE","offers":[{"title":"Default Title","offer_id":51268136272178,"sku":"H-14443WPR","price":181.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308910866.jpg?v=1780700037","url":"https:\/\/voomisupply.com\/products\/webstone-h-14443wpr-3-4-inch-pex-crimp-tankless-valve-kit","provider":"Voomi Supply","version":"1.0","type":"link"}