Lennox 12L02 Collector Box 340793-762 Simplified Field Wiring: Features factory-terminated

Simplified Field Wiring: Features factory-terminated plug-and-play harness connectors for reduced installation time

Automatic Reset Functionality: Restores system operation once temperatures return to safe parameters without manual intervention

Verify mounting plate dimensions and terminal clearance before attempting use on other burner brands

Direct Fitment: Replaces 100109721 and 9004238215

ensuring consistent viscosity for internal lubrication during the initial stage of the lubrication cycle

Lennox 12L02 Collector Box 340793-762 Simplified Field Wiring: Features factory-terminatedAs a seasoned tech, you know that a cracked or restricted Lennox 12L02 Collector Box is a fast track to pressure switch trips and service call backs. This genuine OEM Lennox replacement part, also identified by part number 1242861, is engineered specifically for high efficiency gas furnaces where condensate management is critical. It serves as the primary transition point for combustion byproduct gases, ensuring proper drainage of corrosive moisture