The Lennox 16U08 (catalog 619598-08) Cold End Header Box Kit is an OEM replacement component designed for precise fit and long-term reliability in select Lennox high-efficiency furnaces. This kit replaces the cold end header box assembly responsible for managing condensate and directing proper airflow within the secondary heat exchanger section. Using the correct Lennox OEM header box protects system efficiency, prevents leakage issues, and supports proper furnace operation throughout the heating season.

This replacement kit is engineered to match original Lennox specifications, ensuring compatibility, durability, and safe operation. It is commonly used in EL296, EL195, and other high-efficiency Lennox furnace platforms requiring the 619598-08 configuration.

 

Key features:

• Genuine Lennox OEM 16U08 cold end header box kit
• Catalog number 619598-08 for accurate part identification
• Ensures proper condensate routing and secondary heat exchanger performance
• Helps maintain furnace efficiency and prevent water leakage or corrosion
• Built to Lennox engineering standards for long-term durability and safe operation
• Direct-fit replacement for select Lennox high-efficiency furnaces

 

Typical applications:

• Lennox EL296 series
• Lennox EL195 series
• Additional compatible high-efficiency models using the 619598-08 header box design