The Lennox 33M13 (LB-101202F) heat exchanger assembly is a genuine OEM replacement engineered for standard heat LGB060 and LGB120 series packaged units. Constructed from durable stainless steel, this heat exchanger is designed to withstand high operating temperatures while delivering efficient and consistent heat transfer for commercial HVAC applications.

Used in Lennox LGB series equipment, the 33M13 heat exchanger plays a critical role in safe combustion and reliable system performance by separating combustion gases from the conditioned air stream. Its stainless steel construction helps resist corrosion, thermal stress, and long-term wear, making it well suited for demanding rooftop and packaged unit environments.

This factory-authorized Lennox heat exchanger assembly ensures proper fit, compatibility, and performance when replacing a worn or damaged original component. Ideal for HVAC contractors and service professionals, the Lennox 33M13 supports dependable operation, energy efficiency, and extended equipment lifespan when servicing LGB060 and LGB120 standard heat units.

Lennox information

Brand: Lennox
Catalog Number: 33M13
Model/Part Number: LB-101202F
Type: Heat Exchanger Assembly, Stainless Steel
Application: LGB060 and LGB120 Series Units
Base Unit of Measure: Unit
EAN / UPC: 66255136388
Gross Weight: 150 lb