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The A.O. SMITH 100093992 is a replacement burner assembly designed for natural gas residential water heater applications. This component restores proper burner operation in compatible A.O. SMITH water heaters where this exact part number is specified. The assembly replaces the original burner unit when the existing part has failed or degraded, allowing the water heater to return to normal combustion and heating performance. Installation is typically performed by a licensed plumber or gas service technician with the appropriate certifications for gas appliance work.
This burner assembly is intended for residential natural gas water heater systems. It is used in service and maintenance scenarios where the burner has failed and a direct OEM-equivalent replacement is required. The part is spec-matched to applications where A.O. SMITH lists part number 100093992 as the correct replacement, making it suitable for field service calls on compatible units.
Designed as an OEM-style replacement burner assembly for compatible A.O. SMITH residential natural gas water heaters where part number 100093992 is specified.
Installation should be performed by a licensed plumber or qualified gas appliance technician in accordance with local codes and the applicable provisions of the IFGC. Shut off the gas supply and allow the water heater to cool completely before beginning any burner service work. Verify the replacement part number against the water heater's data plate or service manual before installation. Do not restore gas supply or relight the burner until all connections have been inspected for leaks using an approved leak-detection method.
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