Fan Cycling

P70, P72, and P170

P70, P72, and P170 controls for high pressure applications handle cutout control, head-pressure control, and condenser fan cycling control for commercial refrigeration and air conditioning. Choose the pressure range, electrical rating, and switch configuration that fits your application.


P77 Series

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.


System 450™

System 450 is a family of modular, digital electronic controls, easy to assemble and set up for reliable temperature, pressure, and humidity control for a wide variety of HVAC/R, commercial process, and industrial process applications. Create application-specific systems to control temperature, pressure, humidity, or all three at once, with only a small suite of models. The System 450 can be used in a wide variety of applications, including boilers, greenhouses, refrigeration racks and condenser fan applications. See the C450 Series and P499 Series for an example of the versatility of control applications.


To learn more about our selection of fan cycling and condensing pressure controls, ask your friendly, experienced PENN team.