The Lennox 16U11 (619598-11) Cold End Header Box Kit is a genuine OEM replacement component designed for high-efficiency Lennox furnaces. This kit provides a precise fit and reliable performance, ensuring proper heat exchanger airflow and helping maintain safe, efficient system operation. Ideal for restoring equipment function during heat exchanger service or repair, it supports long-term furnace durability and dependable heating performance.

 

Features:

• Genuine Lennox OEM cold end header box assembly
• Ensures proper airflow and heat exchanger performance
• Designed for long-lasting reliability and secure fit
• Supports system efficiency and safe furnace operation

 

Compatible With:
• Select Lennox high-efficiency furnace models
(If you would like, I can add exact models—just tell me the unit series.)

 

Specifications:

• Manufacturer: Lennox
• Part Number: 619598-11
• Kit Number: 16U11
• Component Type: Cold End Header Box Kit