{"product_id":"ao-smith-100071821-burner-assembly-kit-natural-gas","title":"Ao Smith 100071821 Burner Assembly Kit Natural Gas","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe AO SMITH 100071821 is a final burner assembly kit designed for natural gas water heaters. This kit provides the complete burner assembly needed to restore proper combustion function in a gas-fired water heating system. At 18 inches in length and equipped with a 34 orifice, it delivers a precise fuel-air mixture for efficient and stable flame operation. Licensed plumbers and water heater service technicians install this component as part of a burner replacement or combustion system repair.\u003c\/p\u003e\u003cp\u003eThis burner assembly kit is suited for residential and light commercial natural gas water heater applications where the original burner assembly has failed or is performing outside acceptable parameters. It is intended for use in systems requiring an 18-inch burner configuration with a 34 orifice specification. Installations typically occur during scheduled maintenance or in response to ignition failure, incomplete combustion, or visible burner damage.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eComplete final burner assembly kit for straightforward replacement service\u003c\/li\u003e\n\u003cli\u003eNatural gas configuration with a 34 orifice for precise fuel delivery\u003c\/li\u003e\n\u003cli\u003e18-inch burner length suits specific AO SMITH water heater applications\u003c\/li\u003e\n\u003cli\u003eOEM-specification design supports accurate flame pattern and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eDesigned for licensed technician installation in gas-fired water heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement burner assembly for AO SMITH natural gas water heaters requiring an 18-inch final burner assembly with a 34 orifice. Consult the unit nameplate and service documentation to confirm fitment before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or qualified gas appliance technician in accordance with local codes and the manufacturer service documentation. Shut off the gas supply and allow the water heater to cool fully before beginning any burner service. Inspect the burner compartment, orifice seating, and gas supply connections for debris or damage before installing the new assembly. After installation, perform a leak check on all gas connections using an approved detection solution before restoring power or relighting the appliance.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type\u003c\/strong\u003e: Natural Gas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurner Length\u003c\/strong\u003e: 18 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrifice Size\u003c\/strong\u003e: 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Type\u003c\/strong\u003e: Final Burner Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 100071821\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150436663602,"sku":"100071821","price":150.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305987369.jpg?v=1778612094","url":"https:\/\/voomisupply.com\/products\/ao-smith-100071821-burner-assembly-kit-natural-gas","provider":"Voomi Supply","version":"1.0","type":"link"}