{"product_id":"ao-smith-100074216-burner-gasket-kit","title":"Ao Smith 100074216 Burner Gasket Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AO SMITH 100074216 is a burner gasket kit designed to restore a proper combustion-chamber seal on AO Smith tankless and storage water heaters. The kit contains the gasket components needed to reseal the burner assembly during routine maintenance or after burner removal for service. A failed or compressed burner gasket can cause flue gas leaks, combustion inefficiency, and safety hazards, making this a critical replacement part. Licensed plumbers and water heater technicians install this kit as part of burner service on both natural gas and liquid propane units across a wide range of AO Smith models.\u003c\/p\u003e\n\u003cp\u003eThis gasket kit is used across AO Smith residential and light-commercial tankless and storage water heater models in both indoor and outdoor configurations. It covers natural gas and liquid propane variants, including direct-vent and open-combustion units. The broad model compatibility makes it a practical stocking item for service technicians who regularly service AO Smith equipment. Refer to the compatibility list below for the full range of confirmed applicable models.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores burner assembly seal to factory specification\u003c\/li\u003e\n  \u003cli\u003eCompatible with both natural gas and liquid propane heater variants\u003c\/li\u003e\n  \u003cli\u003eCovers indoor, outdoor, direct-vent, and open-combustion configurations\u003c\/li\u003e\n  \u003cli\u003eOEM replacement part for reliable fit and performance\u003c\/li\u003e\n  \u003cli\u003eSupports routine burner maintenance and field repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eConfirmed compatible models include: TK-540P-NIH (NG), T-K3-OS (LP), T-H2-DV (NG), T-KJR2-IN (LP), T-H2S-OS (LP), T-K3-SP (LP), T-H2S-DV (NG), T-K4-OS (NG), T-K3 (NG), T-H3J-DV (NG), TK-540P-PIH (LP), T-H2-OS (NG), T-D2-IN (NG), T-K3-OS (NG), T-K4-IN (LP), T-K3-PRO (NG), T-K3-PRO (LP), T-H2-OS (LP), T-K4-OS (LP), T-D2-OS (LP), T-H3-DV (LP), T-H3S-OS (LP), T-D2-OS (NG), T-K3-SP (NG), TK-540P-PEH (LP), T-K4-IN (NG), T-H2-DV (LP), T-D2-IN (LP), T-H3J-DV (LP), T-H2S-DV (LP), TK-540P-NEH (NG), T-KJR2-OS (LP), T-H3-DV (NG), T-H3-OS (LP), T-H2S-OS (NG), T-KJR2-IN (NG), T-H3S-DV (LP), T-H3-OS (NG), T-H3J-OS (NG), T-H3S-OS (NG), T-K3 (LP), T-H3J-OS (LP), T-KJR2-OS (NG), T-H3S-DV (NG).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified water heater technician in accordance with local codes and the manufacturer service documentation. Before beginning any burner service, shut off the gas supply at the service valve and disconnect power to the unit. Allow the heat exchanger and burner components to cool completely before removal. Inspect the burner mounting surface for debris or corrosion before seating the new gasket to ensure a proper seal.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003e: Burner Gasket Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type Compatibility\u003c\/strong\u003e: Natural Gas and Liquid Propane\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: 100074216\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51149728678194,"sku":"100074216","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305987371.jpg?v=1778600269","url":"https:\/\/voomisupply.com\/products\/ao-smith-100074216-burner-gasket-kit","provider":"Voomi Supply","version":"1.0","type":"link"}