The Lennox 71W33 (102788-03) Box-Collector is a genuine OEM replacement component designed for use in high-efficiency Lennox gas furnaces. It plays a critical role in channeling flue gases from the heat exchanger to the vent system, ensuring safe and efficient combustion gas management.Key Specifications:

• Part Number: 71W33
• Manufacturer Number: 102788-03
• Component Type: Box-Collector / Flue Collector Box
• Material: Galvanized steel with high-temperature resistance
• Function: Collects and redirects combustion byproducts to the flue
• Application: OEM fit for select Lennox high-efficiency gas furnace models
• Mounting: Pre-drilled holes for easy alignment and secure installation
• Dimensions: Approximately 12.5” L x 5.5” W x 4” H (verify model-specific fit)
• Sealing: Compatible with factory gaskets or RTV sealant for airtight performance
• Weight: Approx. 3.2 lbs

This box-collector is essential for maintaining the proper flow of combustion gases, reducing the risk of backdrafts, corrosion, or heat exchanger stress. Ensure system integrity and prolong equipment life by replacing with this original Lennox-certified part.Available now at Beenimax.com.