{"product_id":"ao-smith-100074370-bypass-valve-kit-tankless-water-heater","title":"Ao Smith 100074370 Bypass Valve Kit Tankless Water Heater","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AO SMITH 100074370 is a bypass valve kit designed for tankless water heater service and maintenance. This kit provides the components needed to install or restore a bypass valve assembly, allowing technicians to isolate the unit from the water supply during descaling, flushing, or other routine service procedures. Bypass valve kits are a standard component in professional tankless water heater maintenance programs and are installed by licensed plumbers and HVAC technicians.\u003c\/p\u003e\n\u003cp\u003eThis bypass valve kit is intended for use with AO SMITH tankless water heaters in both residential and light commercial applications. It supports annual or as-needed flushing procedures using a descaling pump and solution, which is critical for maintaining heat exchanger efficiency and extending equipment service life in areas with hard water.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eEnables cold-water bypass isolation for descaling and flushing procedures\u003c\/li\u003e\n  \u003cli\u003eOEM replacement kit ensuring proper fit and function for designated AO SMITH models\u003c\/li\u003e\n  \u003cli\u003eCompatible with both natural gas and liquid propane model variants\u003c\/li\u003e\n  \u003cli\u003eSupports industry-standard tankless maintenance workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following AO SMITH tankless water heater models: T-K3-PRO (NG), T-D2-IN (NG), T-K3 (NG), T-K3-PRO (LP), T-D2-IN (LP), T-D2-OS (NG), T-D2-OS (LP), T-K3 (LP).\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 the manufacturer service documentation. Shut off the cold-water supply and relieve system pressure before disassembling any valve connections. Do not apply excessive force to valve fittings, and verify all connections are leak-free before returning the unit to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Fuel Types\u003c\/strong\u003e: Natural Gas, Liquid Propane\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Tankless Water Heater Bypass Valve Service Kit\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: AO SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100074370\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150801371442,"sku":"100074370","price":96.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305987342.jpg?v=1778618142","url":"https:\/\/voomisupply.com\/products\/ao-smith-100074370-bypass-valve-kit-tankless-water-heater","provider":"Voomi Supply","version":"1.0","type":"link"}