Lennox 17D97 Harness Constant Torque Kit 319852-301 significantly reducing system downtime and

significantly reducing system downtime and labor costs during building automation upgrades

Designed for direct drive blower applications

and Emergency Heat modes using the dedicated system switch

Common failure points include an open solenoid coil (no continuity)

Lennox 17D97 Harness Constant Torque Kit 319852-301 significantly reducing system downtime andAs 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