Trane CNT5009 Control Board 318172-701 This specific kit (N5 suffix)

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

Replacing a damaged pan is essential to prevent electrical component failure

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

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

Trane CNT5009 Control Board 318172-701 This specific kit (N5 suffix)The 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