Description
The Lennox 17F24 is a genuine OEM Cold End Header Box designed as a direct replacement component for compatible Lennox heating systems. The cold end header box plays a critical role in the heat exchanger assembly, sealing and directing flue gas flow at the cold end of the heat exchanger to maintain efficient combustion and safe system operation.
Key Features
- Genuine Lennox OEM replacement part — ensures precise fit and compatibility
- Designed for the cold end of the heat exchanger assembly
- Helps maintain proper flue gas containment and directional flow
- Supports efficient combustion performance and system longevity
- Built to Lennox quality and engineering standards
Application
- Direct replacement for Lennox furnace and heating system heat exchanger assemblies
- Ideal for HVAC technicians performing heat exchanger repairs or maintenance
- Consult Lennox equipment documentation to confirm compatibility with your specific model
Why Choose OEM Parts?
Using genuine Lennox OEM components like the 17F24 Cold End Header Box ensures your system operates as originally designed. OEM parts eliminate the guesswork of aftermarket fitment, helping reduce callbacks, maintain equipment warranties, and deliver reliable long-term performance for your customers.







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