Heil Quaker ICP 1185790 Defrost Board 30067439-890 or true differential pressure sensing

or true differential pressure sensing

we recommend verifying the kit part number against your furnace's technical guide to ensure proper spring and orifice compatibility

Flexible Electrical Ratings: Supports 120V

and Comfortmaker furnace and packaged units

allowing for easier maintenance in tight mechanical enclosures

Heil Quaker ICP 1185790 Defrost Board 30067439-890 or true differential pressure sensingThe 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