Description
The Lochinvar & A.O. Smith 100191119 is an OEM replacement burner plate gasket engineered to maintain a secure, leak-free seal at the burner plate assembly in compatible Lochinvar and A.O. Smith heating equipment. Replacing a worn or damaged burner plate gasket is a critical maintenance step that helps preserve combustion efficiency, prevents flue gas leaks, and protects surrounding components from heat and exhaust damage.
Key Features
- OEM replacement part designed for exact fit and performance
- Provides a reliable combustion seal at the burner plate interface
- Helps prevent flue gas bypass and maintains system efficiency
- Compatible with select Lochinvar and A.O. Smith heating appliances
- Supports safe and proper burner operation
Application
This burner plate gasket is intended for use in Lochinvar and A.O. Smith water heaters and boilers that require OEM-specified sealing components at the burner plate. Always verify compatibility with your specific model number before installation.
Why Replace Your Burner Plate Gasket?
Over time, gaskets can deteriorate due to repeated thermal cycling, leading to combustion inefficiencies, potential carbon monoxide risks, and reduced equipment lifespan. Using a genuine OEM replacement like the 100191119 ensures the integrity of the combustion chamber is maintained to manufacturer specifications.







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