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The AO SMITH 100276289 is a natural gas final burner assembly kit designed for use in residential and light commercial water heaters. This kit provides a complete burner assembly replacement, restoring proper combustion function to units that have experienced burner failure or degraded performance. Sized at 16 inches, the assembly is engineered to deliver consistent flame output suited to the TC-series water heater configuration. Licensed plumbers and HVAC technicians performing water heater maintenance or warranty service are the primary installers of this component.
This burner assembly kit is intended for natural gas water heater applications. The 16-inch assembly dimension and TC-series designation indicate fitment within a specific tank and combustion chamber configuration. It is used in both residential and light commercial settings where natural gas-fired water heating is required. Service technicians replacing a failed or fouled burner assembly will find this kit provides the necessary hardware for a complete burner swap.
Designed as an OEM-style replacement burner assembly for AO SMITH natural gas water heaters in the TC-series configuration requiring a 16-inch burner assembly.
Installation should be performed by a licensed plumber or qualified gas service technician in accordance with local codes and IFGC requirements. Shut off the gas supply and allow the unit to cool completely before beginning any burner assembly work. Verify gas type and inlet pressure compatibility before installing the new assembly. Do not attempt to modify the burner orifice or alter the assembly configuration during installation.
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