{"product_id":"efield-3-4-npt-tankless-water-heater-service-isolation-valve-kit-with-pressure-relief-valve","title":"Efield 3\/4\" NPT Tankless Water Heater Service \u0026 Isolation Valve Kit with Pressure Relief Valve","description":"\u003cp\u003eThe Efield 3\/4\" NPT Tankless Water Heater Service \u0026amp; Isolation Valve Kit provides a complete, professional-grade solution for installing, isolating, and descaling residential and commercial tankless water heaters. Engineered with heavy-duty forged lead-free brass, this comprehensive kit features colour-coded 1\/4-turn full-port ball valves for hot and cold lines, integrated high-flow drain\/purge ports with tethered brass safety caps, and an included 150 PSI \/ 200,000 BTU pressure relief valve.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Service \u0026amp; Isolation Set:\u003c\/strong\u003e Includes dedicated hot (red handle) and cold (blue handle) 1\/4-turn ball valves with large union connections for simplified servicing and rapid pump disconnects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Port High Flow Design:\u003c\/strong\u003e 500 WOG rated ball valves deliver unobstructed water flow, preventing pressure drop across high-demand tankless units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Flush \u0026amp; Purge Ports:\u003c\/strong\u003e Built-in 3\/4\" male hose thread (GHT) auxiliary drain ports allow direct connection of standard descaling pump hoses without disassembling system piping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCSA Certified Pressure Relief Valve:\u003c\/strong\u003e Bundled with an ANSI Z21.22 \/ CSA 4.4 approved 3\/4\" 150 PSI, 200,000 BTU\/hr temperature and pressure relief valve (PRV).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePotable Water Safe \u0026amp; Lead-Free:\u003c\/strong\u003e Manufactured from premium dezincification-resistant forged brass meeting NSF\/ANSI 61 and NSF\/ANSI 372 lead-free drinking water standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Brass Drain Caps:\u003c\/strong\u003e Durable brass caps with rubber sealing washers and retaining straps prevent accidental drips and protect purge threads during normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003ctd\u003eEfield\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eManufacturer Part Number (MPN)\u003c\/th\u003e\n      \u003ctd\u003eTOOL028\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProduct Type\u003c\/th\u003e\n      \u003ctd\u003eTankless Water Heater Service Valve Kit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePrimary Inlet Connection\u003c\/th\u003e\n      \u003ctd\u003e3\/4\" Female NPT (National Pipe Tapered)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eHeater Union Connection\u003c\/th\u003e\n      \u003ctd\u003e3\/4\" Female NPT with captive EPDM union washer\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePurge \/ Drain Connection\u003c\/th\u003e\n      \u003ctd\u003e3\/4\" Male Garden Hose Thread (GHT) with brass cap\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePressure Relief Valve (PRV) Port\u003c\/th\u003e\n      \u003ctd\u003e3\/4\" Female NPT dedicated relief tap\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePressure Relief Valve Rating\u003c\/th\u003e\n      \u003ctd\u003e150 PSI \/ 200,000 BTU\/hr (CSA Certified)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eValve Pressure Rating\u003c\/th\u003e\n      \u003ctd\u003e500 WOG (Water, Oil, Gas)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBody Material\u003c\/th\u003e\n      \u003ctd\u003eHeavy-duty forged lead-free brass\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSeals \u0026amp; Gaskets\u003c\/th\u003e\n      \u003ctd\u003ePTFE ball seats, EPDM union gaskets\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eCompliance \u0026amp; Certifications\u003c\/th\u003e\n      \u003ctd\u003ecUPC Listed, CSA Certified (ANSI Z21.22 \/ CSA 4.4), NSF\/ANSI 61, NSF\/ANSI 372 Lead-Free\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eCompatibility\u003c\/th\u003e\n      \u003ctd\u003eUniversal fit for all 3\/4\" NPT gas and electric tankless water heaters (Navien, Rheem, Rinnai, Bosch, Bradford White, etc.)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eBefore you buy\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify that your tankless water heater water connections are \u003cstrong\u003e3\/4\" NPT\u003c\/strong\u003e (the standard connection size for almost all residential and light commercial tankless water heaters in North America).\u003c\/li\u003e\n  \u003cli\u003eStandard annual maintenance requires flushing the heat exchanger with a mild descaling solution (food-grade citric acid or white vinegar) via the integrated purge valves to preserve efficiency and maintain manufacturer heat exchanger warranty.\u003c\/li\u003e\n  \u003cli\u003eThread sealant (Teflon tape or approved pipe dope) must be applied to all male NPT pipe threads; union and hose drain connections use internal gaskets and do not require thread tape.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Efield","offers":[{"title":"Default Title","offer_id":54190476067110,"sku":"EFIELD-TOOL028-34NPT","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/8521\/7830\/files\/efield-tankless-valve-kit-hero.jpg?v=1792801281","url":"https:\/\/avlshop.ca\/products\/efield-3-4-npt-tankless-water-heater-service-isolation-valve-kit-with-pressure-relief-valve","provider":"AVL Shop","version":"1.0","type":"link"}