Lennox 16U10 – Lennox 619598-10 Cold End Header Box Kit is a genuine OEM furnace replacement part engineered to service the cold end of the heat exchanger assembly in compatible Lennox high-efficiency gas furnaces. This header box kit plays a critical role in managing condensate collection and directing combustion byproducts safely through the furnace system, helping maintain proper airflow, combustion efficiency, and reliable furnace operation.

Designed and manufactured to Lennox factory specifications, the 16U10 cold end header box kit ensures an exact fit and dependable sealing when replacing a worn, damaged, or leaking original component. Using an OEM header box kit helps prevent condensate leaks, corrosion-related failures, and efficiency loss that can occur with improper or non-genuine replacements. It is an essential component for restoring furnace performance and extending the service life of the heat exchanger system.

This kit is commonly used during furnace repairs, heat exchanger service, or corrective maintenance where condensate handling issues are present. It is intended for professional HVAC technicians and qualified installers who require factory-correct parts to meet manufacturer standards and code compliance.

Compatible with select Lennox high-efficiency gas furnace models
OEM Lennox part ensures precise fit and proper condensate management
Supports correct airflow and combustion byproduct routing
Helps prevent leaks, corrosion, and efficiency loss
Ideal for furnace repairs and preventive maintenance

Brand: Lennox
Catalog Number: 16U10
Manufacturer Part Number: 619598-10
Product Type: Cold End Header Box Kit
Application: High-Efficiency Gas Furnace
OEM: Yes

For reliable furnace repair and long-term performance, trust genuine Lennox replacement components. Buy Lennox 16U10 Cold End Header Box Kit from Beenimax to ensure factory-correct fit, dependable operation, and fast shipping from a trusted HVAC parts supplier.