Description
The Lennox 26W04 Collector Box Plate is a genuine OEM replacement component designed to maintain the integrity and performance of compatible Lennox furnace systems. The collector box plate serves as a critical sealing and structural element within the collector box assembly, helping to direct flue gases through the heat exchanger and into the venting system while preventing unwanted leaks that could compromise combustion efficiency or indoor air quality.
Key Features
- Genuine Lennox OEM replacement part (SKU: 26W04)
- Designed for precise fit and compatibility with applicable Lennox furnace models
- Supports proper flue gas management within the collector box assembly
- Helps maintain combustion efficiency and system integrity
- Durable construction built to withstand the thermal and pressure demands of furnace operation
- Direct drop-in replacement to simplify service and reduce downtime
Application
This collector box plate is intended for use in Lennox furnace systems where the original component has become damaged, warped, or compromised. Proper sealing of the collector box is essential to safe and efficient furnace operation, making timely replacement of worn plates a key part of routine HVAC maintenance.
Installation Notes
- Always verify model compatibility before installation using the furnace’s data plate or service manual
- Inspect surrounding gaskets and seals during replacement for a complete, leak-free repair
- Installation should be performed by a qualified HVAC technician in accordance with local codes and manufacturer guidelines







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