Trane CNT5009 Control Board 318172-701 This solid-core current sensor provides

This solid-core current sensor provides precise status indication for motors

This specific kit (N5 suffix) utilizes Nitrile (Buna-N) seals

the 8024203017 provides reliable electrical switching for safety interlocks or fan proving circuits

The brushless DC motor provides long-term reliability and precise damper actuator positioning under constant load conditions

and sensors are generally sold separately or should be salvaged if still within spec

Trane CNT5009 Control Board 318172-701 This solid-core current sensor providesThe Trane CNT5009 is a technical grade defrost control board engineered for high performance heat pump systems and central air conditioning units. As a direct OEM replacement part, this module utilizes an integrated microprocessor to monitor ambient temperatures and coil conditions, ensuring precise defrost cycle management. By eliminating excessive ice accumulation on the outdoor coil, the board prevents system strain and preserves the intended HVAC