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The A.O. SMITH 100093998 is a final burner assembly kit configured for liquid propane (LP) fuel service. This kit supplies the combustion end components required to restore proper burner function in compatible A.O. SMITH water heaters. The final burner assembly sits at the base of the combustion chamber and is responsible for delivering a stable, consistent flame to heat the water tank. Installation is typically performed by a licensed plumber or gas technician as part of a scheduled service or warranty repair procedure.
This assembly kit is suited for residential and light commercial water heater applications where the original LP burner assembly has failed, worn, or been damaged. It is intended as a direct OEM-style replacement, restoring the unit to factory combustion performance. Technicians working on LP-fueled A.O. SMITH storage water heaters will find this kit contains the final burner components needed to complete a full burner replacement.
Designed as an OEM-style replacement final burner assembly for compatible A.O. SMITH LP-fueled water heaters. Consult the unit service manual or A.O. SMITH parts lookup using the model and serial number to confirm fitment before ordering.
Installation should be performed by a licensed plumber or qualified gas service technician in accordance with local codes and the applicable sections of the International Fuel Gas Code (IFGC). Shut off the gas supply and allow the unit to cool completely before beginning any burner service work. Verify the LP supply pressure and regulator settings meet the water heater manufacturer specifications before returning the unit to service. Do not reuse damaged or deformed burner components from the original assembly.
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