Lennox 92W29, part number 609313-12, is a replacement cold end collector box designed for Lennox G43UF-070 gas furnaces. This component is installed at the cold end of the heat exchanger system and is responsible for collecting and directing combustion condensate safely away from the furnace. Proper operation of the collector box is critical for maintaining efficient combustion, protecting internal components from moisture damage, and ensuring safe furnace performance.

This OEM Lennox replacement part is engineered to match original factory specifications for fit, durability, and long-term reliability. It is specifically compatible with G43UF-070 gas furnace models, versions 1, 3, 4, 5, and 6. Replacing a cracked or leaking cold end collector box helps prevent water intrusion, corrosion, and pressure-related issues that can lead to furnace shutdowns or efficiency loss.

Designed for direct replacement, this collector box installs easily in approved Lennox systems and restores proper condensate management without modification. Ideal for HVAC contractors and service professionals performing furnace repairs or preventative maintenance on legacy Lennox G43UF equipment.

Compatible furnace models
Lennox G43UF-070 gas furnaces
Supported versions 1, 3, 4, 5, and 6

 

Key features:

OEM Lennox replacement part
Ensures proper condensate collection and drainage
Helps maintain combustion efficiency and system safety
Direct-fit design for approved Lennox furnaces
Built to factory durability and performance standards