Description
The Lennox 59M27 Cold Header Collector Box is a genuine OEM replacement component engineered for use in Lennox high-efficiency condensing furnaces. Designed to work in tandem with the secondary (cold) heat exchanger, this collector box plays a critical role in capturing and routing condensate produced during the combustion process — helping to maintain optimal furnace performance, system efficiency, and long-term reliability.
Key Features
- Genuine Lennox OEM part — ensures precise fit and compatibility with applicable Lennox condensing furnace models
- Designed for the cold (secondary) heat exchanger header — properly collects condensate generated during high-efficiency operation
- Durable construction built to withstand the corrosive nature of acidic condensate in condensing furnace applications
- Direct replacement for failed or damaged collector boxes — restores proper condensate drainage and system function
- Helps prevent condensate backup, water damage, and associated system faults
Application
- Compatible with select Lennox high-efficiency condensing gas furnaces
- Intended for use as a service replacement part by qualified HVAC technicians
- Verify model compatibility with your specific Lennox furnace before installation
Why Choose OEM Parts?
Using genuine Lennox OEM replacement parts like the 59M27 Cold Header Collector Box ensures your furnace operates as designed. Aftermarket substitutes may not meet the exact dimensional and material specifications required for proper fit, seal integrity, and condensate management — potentially leading to callbacks, warranty issues, or equipment damage. Trust Lennox OEM components for dependable, long-lasting repairs.







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