The Lennox 613927-09 is a high-efficiency aluminum heat exchanger assembly designed for select Lennox commercial and high-capacity residential heating systems. Built to deliver long-term durability and reliable thermal transfer, this 240,000 BTU exchanger helps restore optimal furnace performance, maintains safe combustion operation, and supports OEM-level energy efficiency.
This factory-authorized assembly arrives fully engineered to match designated Lennox models, ensuring proper fit, correct airflow, and dependable heating output.

 

Key Features:

• OEM Lennox replacement heat exchanger assembly
• 240K BTU capacity for high-demand heating systems
• Durable aluminum construction for improved corrosion resistance
• Designed for efficient heat transfer and consistent operation
• Restores safe furnace performance and proper combustion
• Direct-fit compatibility for approved Lennox units
• Ideal for preventative maintenance or full exchanger replacement

 

Typical Applications:

• Commercial heating systems
• Large residential furnaces
• High-capacity packaged units requiring 240K BTU exchangers