The Lennox 71M80 (LB-49107CG) Concentric Termination Kit is a factory-engineered venting solution designed for high-efficiency furnaces and air-handlers. This 1-1/2 inch kit combines both intake and exhaust terminations into a single, compact assembly, allowing for simplified installation, cleaner exterior appearance, and optimized airflow performance. Ideal for installations where space, aesthetics, or vent separation are a concern, this Lennox OEM termination kit ensures proper combustion air supply and safe venting of flue gases.

Crafted for durability, the LB-49107CG kit includes corrosion-resistant components that withstand harsh outdoor conditions and maintain long-term integrity. Its streamlined design reduces penetrations through the building envelope and helps meet manufacturer venting specifications for supported Lennox systems.

Whether replacing an existing vent termination or completing a new installation, this OEM Lennox concentric termination kit provides a reliable, code-compliant solution that maintains full system performance and efficiency.

 

Key Features:

• OEM Lennox concentric termination kit for 1-1/2 inch venting
• Combines intake and exhaust into a single roof or sidewall termination
• Reduces number of wall/roof penetrations for a cleaner installation
• Corrosion-resistant materials support long-term outdoor durability
• Ensures correct airflow for combustion and flue gas discharge
• Compatible with select Lennox high-efficiency furnaces and units
• Meets Lennox engineering and safety specifications

 

Specifications:

Part Number: 71M80
Catalog Number: LB-49107CG
Venting Size: 1-1/2 inch
Application: Intake and exhaust combined termination
Material: Weather-resistant, corrosion-resistant construction
Use: High-efficiency furnace venting (approved Lennox models)