The Lennox 11X38 heat exchanger assembly is a genuine OEM replacement component designed to restore safe and efficient operation of compatible Lennox heating equipment. This 2-stage heat exchanger assembly plays a critical role in transferring heat from the combustion process to the air stream while keeping combustion gases safely contained. Replacing a worn or damaged heat exchanger with an original Lennox part helps maintain proper system performance, efficiency, and safety.

Manufactured from durable aluminized steel, the Lennox 11X38 heat exchanger assembly is engineered to meet strict factory specifications for fit, reliability, and long-term operation. Using a genuine OEM heat exchanger ensures proper compatibility with the furnace design and helps prevent issues such as heat loss, reduced efficiency, or unsafe operation caused by cracked or compromised exchanger surfaces.

This heat exchanger assembly is intended for professional installation and should always be matched by furnace model number to confirm compatibility. Ideal for HVAC repairs and restorations where original performance and manufacturer standards are required, the Lennox 11X38 heat exchanger assembly helps extend the service life of the heating system while maintaining factory-rated operation.

 

Product Overview:

 

Lennox 11X38 is a factory-original 2-stage heat exchanger assembly designed for use in select Lennox furnaces. Constructed from aluminized steel, it is built to withstand high operating temperatures while delivering consistent heat transfer and dependable performance. This OEM heat exchanger assembly is used to replace damaged or failed units and restore proper furnace functionality.

 

Specifications:

 

Brand: Lennox
Part Number: 11X38
Description: Heat Exchanger Assembly, 2-Stage
Material: Aluminized Steel
Application: Furnace heat exchanger replacement
OEM Status: Genuine Lennox factory part