Trane CNT5009 Control Board 319852-301 this controller provides high-torque switching

this controller provides high-torque switching to prevent short-cycling of the feed pump

crucial for preventing acid formation and compressor failure

this limit switch replacement ensures the blower and burner assemblies operate within safe thermal thresholds

effectively trapping liquid charge before it reaches the compressor valves

Trane CNT5009 Control Board 319852-301 this controller provides high-torque switchingThe 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