Lennox 57M95 Heat Exchanger Assembly is a genuine OEM furnace replacement part designed to restore safe and efficient heat transfer in compatible Lennox gas furnaces. The heat exchanger is a critical component that separates combustion gases from the indoor air stream, helping maintain proper furnace operation, energy efficiency, and occupant safety.

Manufactured by Lennox to original factory specifications, this heat exchanger assembly ensures precise fitment, reliable performance, and long service life when used as a direct replacement. It is ideal for professional HVAC technicians performing furnace repairs or heat exchanger replacements where OEM quality and compatibility are required.

This assembly replaces earlier part numbers and is supplied as a complete unit, helping reduce installation time and ensuring consistent performance compared to aftermarket alternatives. Recommended for use in approved Lennox furnace models only.

Product details
Brand: Lennox
Catalog Number: 57M95
Model / Part Number: LB-101518M
Type: Heat Exchanger Assembly
Application: Gas Furnace Replacement
Base Unit of Measure: Unit(s)
Gross Weight: 84 lb

Replacement history
Latest: 57M95 / LB-101518M
Oldest: Referenced prior versions replaced by current part