The Lennox 71L42 Heat Exchanger Assembly is a genuine OEM replacement component designed to restore safe and efficient heat transfer in compatible Lennox gas furnaces. As a critical furnace component, the heat exchanger separates combustion gases from the air circulated through the home, ensuring reliable heating performance and safe operation. This factory-authorized Lennox part is manufactured to original specifications for proper fit, durability, and long-term performance.

Designed for professional HVAC service and furnace repair applications, the Lennox 71L42 heat exchanger assembly helps extend the life of the furnace while maintaining system efficiency and compliance with manufacturer standards.

Key Features:

• Genuine Lennox OEM heat exchanger assembly
• Designed for safe and efficient heat transfer
• Restores proper furnace operation and airflow
• Built to original factory specifications for precise fit
• Ideal for professional HVAC repair and maintenance
• Supports long-term durability and reliable performance

Compatibility:

This heat exchanger assembly is compatible with select Lennox gas furnace models. Model compatibility should always be confirmed using the furnace model and serial number prior to ordering.

Applications:

• Gas furnace heat exchanger replacement
• HVAC system repair and restoration
• Residential and light commercial furnace service

Specifications:

Brand: Lennox
Part Number: 71L42
Product Type: Heat Exchanger Assembly
OEM Status: Genuine Lennox Replacement Part

Shipping Information:

Due to the size and weight of this heat exchanger assembly, the item may ship via freight. Packaging dimensions and shipping method may vary based on availability and carrier requirements.

Why Buy from Beenimax:

Beenimax supplies genuine OEM HVAC parts trusted by contractors and technicians nationwide. Every Lennox 71L42 heat exchanger assembly is sourced directly from authorized channels to ensure authenticity, reliability, and proper performance in the field.