The Lennox 58L50 Heat Exchanger Assembly is a genuine OEM replacement component designed to restore safe and efficient heat transfer in compatible Lennox gas furnaces. As one of the most critical components in a furnace system, the heat exchanger safely transfers heat from the combustion process to the airflow while keeping combustion gases isolated from indoor air. Replacing a failed or cracked heat exchanger with the correct OEM assembly is essential for system performance, safety, and long-term reliability.

This factory-assembled heat exchanger is engineered to meet Lennox manufacturing specifications for precise fitment and durability. It is intended for professional installation and is commonly used in high-efficiency Lennox furnace applications where exact compatibility is required. Due to its size and weight, this assembly typically ships via freight and should be handled by trained HVAC professionals.

 

Key Features:

• Genuine Lennox OEM heat exchanger assembly
• Designed for safe and efficient heat transfer
• Restores proper furnace operation and heating performance
• Precision-built for exact fit in compatible Lennox furnace models
• Heavy-duty construction for long service life
• Professional HVAC installation recommended

 

Applications:

• Compatible with select Lennox gas furnace models
• Residential and light commercial HVAC heating systems
• OEM replacement for damaged or failed heat exchangers

Specifications
Brand: Lennox
Part Number: 58L50
Product Type: Heat Exchanger Assembly
OEM: Yes
Installation: Professional installation required
Shipping Method: Freight / LTL

 

Important Notes:

• Furnace model and serial number verification is required before ordering
• Heat exchanger assemblies are non-returnable once installed
• Improper installation may result in unsafe operation or voided warranties