Lennox 15T91 Wire Harness 320735-701 always verify your fan blade

always verify your fan blade pitch (CW/CCW) against the motor's shaft rotation before finalizing the installation

Corrosion-Resistant Construction: Features a heavy-gauge galvanized steel housing to withstand high-temperature cycles without warping

Adding external oil can attract debris and lead to premature failure in a HVAC environment

Industrial Build: Die-cast aluminum body with NBR seals ensures chemical compatibility with fuel gases

Lennox 15T91 Wire Harness 320735-701 always verify your fan bladeThe Lennox 15T91 Wire Harness is a critical genuine OEM replacement part specifically engineered for HVAC systems utilizing 3. 0 ECM motors. This motor wiring harness features a specialized 3 connector design to ensure precise electrical communication and power delivery between the integrated motor controller and the main furnace or air handler control board. Designed to maintain the integrity of the Lennox HVAC system, this harness prevents common