Lennox 17D97 Harness Constant Torque Kit 320788-702 and CHB-150 series

and CHB-150 series

For field technicians and contractors maintaining Lennox furnace systems

while the stainless steel tip resists carbon buildup and oxidation

critical for rooftop HVAC and boiler room environments

Lennox 17D97 Harness Constant Torque Kit 320788-702 and CHB-150 seriesAs a field technician, you know that maintaining precise airflow in residential and office HVAC systems starts with the integrity of your wiring. The Lennox 17D97 Harness Constant Torque Kit (Model 620621 01) is an essential OEM accessory designed for ECM motor communication and power delivery. This constant torque harness kit serves as the critical link between the integrated motor control and the furnace or air handler control board, ensuring