ICM head pressure controls regulate system pressure to help prevent evaporator freeze-ups, low-pressure cutouts and liquid-slugged compressors in low ambient conditions that can lead to costly downtime and/or loss of valuable perishable goods. They can eliminate overshoots common to on/off pressure switch controls and also control refrigerant circuits. Features include hard start, low temperature cutoff and high temperature bypass. Ideal for air conditioning and refrigeration applications. All ICM Head Pressure Controls are quality made in the USA.