{"product_id":"a-o-smith-100074625-bypass-valve-tankless-water-heater","title":"A.o. Smith 100074625 Bypass Valve Tankless Water Heater","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH 100074625 is a replacement bypass valve designed for use in tankless water heater systems. The bypass valve controls or diverts water flow within the unit, playing a direct role in maintaining proper hydraulic balance and system performance. It is a factory-style replacement part intended to restore original function when the original valve fails or is damaged. Licensed plumbers and qualified HVAC-plumbing technicians are the typical installers for this component.\u003c\/p\u003e\n\u003cp\u003eThis bypass valve is a direct replacement part for a range of A.O. SMITH tankless water heater models, covering both natural gas and liquid propane configurations. It fits residential and light-commercial tankless units across several product families, including indoor and outdoor installations. The compatible model list spans both standard and power-vented configurations, making this valve a versatile service part for technicians who work across multiple A.O. SMITH tankless platforms.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-style replacement part for A.O. SMITH tankless water heaters\u003c\/li\u003e\n  \u003cli\u003eCompatible with both natural gas and liquid propane models\u003c\/li\u003e\n  \u003cli\u003eFits indoor and outdoor tankless unit configurations\u003c\/li\u003e\n  \u003cli\u003eRestores proper flow control and hydraulic balance within the system\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design reduces installation time on compatible units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following A.O. SMITH tankless water heater models: T-H3-OS (NG), T-H3-OS (LP), T-H3-DV (NG), T-H3-DV (LP), TK-510U-E (NG\/LP), TK-510U-I (NG\/LP), T-D2U-OS (NG), T-D2U-IN (NG), TK-540P-NEH (NG), TK-540P-NIH (NG), TK-540P-PIH (LP), TK-540P-PEH (LP), TK-510C-NI (NG).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified technician familiar with tankless water heater service. Shut off the cold water supply and disconnect power or gas to the unit before beginning any valve replacement work. Follow the manufacturer service documentation and applicable local plumbing codes for proper procedure. Do not restore water pressure or relight the unit until all connections are verified leak-free.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Replacement Part\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: A.O. SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100074625\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51149945831730,"sku":"100074625","price":102.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305988992.jpg?v=1778602984","url":"https:\/\/voomisupply.com\/products\/a-o-smith-100074625-bypass-valve-tankless-water-heater","provider":"Voomi Supply","version":"1.0","type":"link"}