The Lennox 14K72 heat exchanger assembly is manufactured to OEM specifications to restore original heating efficiency and safety in compatible Lennox furnace models. Over time, heat exchangers can crack or fail due to thermal stress and corrosion, leading to reduced efficiency and potential safety hazards. Replacing the heat exchanger assembly helps maintain proper combustion, heat transfer, and system integrity.

This assembly is intended for professional HVAC service and is commonly used during major furnace repairs or warranty-related replacements.

 

Specifications:

 

Manufacturer: Lennox
OEM Part Number: 612983-04
Lennox Catalog Number: 14K72
Product Type: Heat Exchanger Assembly
Application: Gas furnace
Function: Transfers heat from combustion gases to circulating air while isolating exhaust
Compatibility: Select Lennox furnace models
Condition: New, OEM factory part