A pilot-operated solenoid valve uses the pressure of the fluid itself to assist in opening and closing the valve

How do I troubleshoot a 'Sensor Fault' error code

Is this compatible with non-Belimo actuators

matching the power specifications of standard outdoor condensing units

Carrier HK42FZ012 Circuit Board Refrigerant A pilot-operated solenoid valve usesThe New OEM Carrier HK42FZ012 Circuit Board ships out directly from the manufacturer and comes well tested to ensure smooth and more efficient operation. It is a factory authorized replacement part and a perfect replacement solution for HK42FZ003 part number. This circuit board is an OEM part, which means it is the exact part that is used in original Carrier units. Use this circuit board to replace your worn out or damaged circuit board.