The Lennox 83M82 flue assembly (LB-108344C) is an OEM furnace exhaust component designed to safely direct combustion gases from the heat exchanger to the venting system. With an overall length of 20.932 inches, this flue assembly is engineered to match original Lennox furnace specifications, ensuring proper airflow, correct fit, and safe operation. Using a genuine Lennox flue assembly helps maintain furnace efficiency, prevents exhaust leaks, and supports long-term system reliability.

This flue assembly is commonly used in Lennox gas furnace applications where precise exhaust routing and secure connections are critical. Ideal for professional HVAC service, repairs, and preventative maintenance.

 

Key features:

• Genuine Lennox OEM flue assembly
• Overall length: 20.932 inches
• Designed for safe exhaust gas venting
• Ensures proper airflow and combustion performance
• Direct-fit replacement with no modifications required
• Durable metal construction for long service life

 

Applications:

• Lennox gas furnaces requiring LB-108344C / 83M82 flue assembly
• Furnace exhaust and venting system repairs
• HVAC maintenance and system restoration