Description
The Lennox 12K82 Flue Cover Gasket is a genuine OEM replacement part engineered to maintain a secure, combustion-tight seal at the flue cover assembly of compatible Lennox heating systems. Proper sealing at the flue cover is critical to safe furnace operation — preventing flue gas leakage, maintaining system efficiency, and protecting indoor air quality.
Key Features
- Genuine Lennox OEM replacement gasket — ensures proper fit and performance
- Designed to seal the flue cover assembly on compatible Lennox furnaces
- Helps prevent combustion gas leakage for safe, efficient operation
- Maintains the integrity of the venting system
- Direct drop-in replacement for simplified installation
Application
- Compatible with select Lennox furnace and heating system models
- Ideal for routine maintenance, service calls, and system tune-ups
- Recommended replacement whenever the flue cover is removed or signs of deterioration are present
Why Replace Your Flue Cover Gasket?
Over time, flue cover gaskets can crack, compress, or deteriorate due to repeated heat cycling and exposure to combustion byproducts. A compromised gasket can allow flue gases — including carbon monoxide — to escape into the equipment area. Replacing the gasket with a genuine Lennox OEM part restores the original seal and ensures continued safe, code-compliant operation.
Product Details
- Brand: Lennox
- Part Number: 12K82
- Part Type: Flue Cover Gasket







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