The Lennox 10M86 Heat Exchanger Replacement Kit (610414-04) is an OEM stainless steel heat exchanger assembly designed for Lennox gas furnaces with 65,000 to 70,000 BTU input ratings. This kit is engineered to restore safe, efficient heat transfer by replacing a worn, cracked, or failed heat exchanger, helping extend the service life of compatible Lennox furnaces.

Manufactured to Lennox factory specifications, this stainless steel heat exchanger provides excellent resistance to corrosion and thermal stress, ensuring long-term reliability under repeated heating cycles. Proper installation of this OEM replacement kit helps maintain combustion efficiency, protects indoor air quality, and supports overall furnace performance.

This heat exchanger replacement kit is intended for professional HVAC service and repair applications and is ideal for restoring furnaces that meet Lennox compatibility requirements.

 

Key Features:

• Genuine Lennox OEM heat exchanger replacement kit
• Designed for 65,000 / 70,000 BTU gas furnace models
• Durable stainless steel construction for enhanced longevity
• Restores proper heat transfer and combustion efficiency
• Helps maintain safe furnace operation and system performance
• Manufactured to precise Lennox engineering standards

 

Applications:

• Residential gas furnace repair and restoration
• Replacement of damaged or worn heat exchangers
• Lennox furnace maintenance and service

 

Specifications:

Manufacturer: Lennox
Part Number: 10M86
Catalog Number: 610414-04
Product Type: Heat Exchanger Replacement Kit
BTU Rating: 65,000 / 70,000
Material: Stainless Steel
Compatibility: Select Lennox gas furnace models