A. O. Smith 100109314 Burner Door Assembly Kit, Natural Gas is an OEM burner door assembly for select A. O. Smith residential natural gas water heaters, used to seal the combustion chamber and support proper burner operation.
Key Features:
- OEM burner door assembly kit for natural gas units
- Factory part number 100109314
- Includes burner door assembly components as specified by A. O. Smith for compatible models
Compatibility & Applications:
- For A. O. Smith water heaters where the official parts list specifies 100109314.
- Use only on units identified by A. O. Smith documentation as compatible.
Installation & Operation Notes:
- Follow the water heater's service manual for door removal, gasket placement, fastener torque, and leak/combustion checks after installation.
- Work should be performed by trained and qualified personnel.
Maintenance & Troubleshooting:
- Inspect door gasket condition during service.
- If combustion or draft issues persist, use manufacturer diagnostics for burner, manifold pressure, and venting before returning to service.