Heil Quaker ICP 1185790 Defrost Board 30067439-890 commonly found on 2-1/2 to

commonly found on 2-1/2 to 6-inch valve bodies

15" WC setpoint

While the probe is rigid

It is a non-lockup type and should not be used as a line regulator ahead of low-pressure controls

the 5 microfarad capacitor offers a direct-fit solution that matches original factory specifications

Heil Quaker ICP 1185790 Defrost Board 30067439-890 commonly found on 2-1/2 toThe Heil Quaker ICP 1185790 Defrost Board is a critical electronic control designed for precise heat pump defrost cycle management. This OEM replacement part monitors refrigerant coil temperature and compressor run time to initiate defrost sequences, preventing evaporator coil icing and maintaining system efficiency in low ambient conditions. Engineered for ICP HVAC equipment, this control board handles the reversing valve solenoid switching and