Friedrich Air Conditioning 67400491 Control Board 318973-401 ensuring the start winding receives

ensuring the start winding receives the correct torque and current flow

OEM Compatibility: Guaranteed fit for ICP fan coil unit parts

The Trane VAL2417 Solenoid Valve is a pilot-operated

Industrial Build Quality: Built to withstand the high-temperature environments of furnace cabinets without diaphragm fatigue

ensuring a drop-in fit without field modifications on compatible Lennox and ABB-specified equipment

Friedrich Air Conditioning 67400491 Control Board 318973-401 ensuring the start winding receivesThe Friedrich 67400491 Indoor Main Control Board is a critical OEM replacement component designed for exact compatibility with specific Friedrich ductless mini split systems and PTAC units. As the primary logic controller for the indoor evaporator section, this PCB manages essential operational sequences, including blower motor speed modulation, thermistor feedback processing, and communication with the outdoor condenser. Engineered to meet original