... 117 Pressure switch 90-120psi pressure switch,air pressure switch,air compressor pressure switch,pump pressure switch,water ... variety of application.3.Used: Pressure controlling of Air, Water, Internal wiring of electric refrigerating equipment ... .4.Typical Applications: safety controls / air conditioning / refrigeration. ModelXYK-117MediaAir, Water, motor oils, transmission oils, Hydrocarbon Media, ...