P20 Series field replacement high pressure controls, for non-corrosive refrigerants, are used in air conditioning and refrigeration applications.
P70, P72, and P170 controls for high pressure commercial refrigeration and air conditioning applications are designed for high pressure cutout control, head-pressure control, and condenser fan cycling control. The P72 models provide direct control of 208-240 volt single-phase motors up to 3 horsepower, and 208-220 volt 3-phase motors up to 5 horsepower.
P77 Series pressure controls are precision-engineered for fan cycling pressure applications. The single-pole, double-throw switch lets you install alarms or other control circuits. Use with common refrigerants as well as air, water, and other non-corrosive fluids. Customize to your application with automatic and manual reset and numerous connection options.