Refrigerant Pressure Sensor / Switch: Description and Operation

Refrigerant Circuit Switches And Sensors And Related Connections

NOTE: Refer to vehicle-specific refrigerant circuit for switching pressures, switch removal/installation and switch layout/design Heating, air conditioning or Air conditioning.

Connections with valve for refrigerant circuit switches
- There are different threads for switches on high and low pressure sides.







- Only valves and O-rings resistant to R134a refrigerant and the related refrigerant oils are to be used.

A. Connection (soldered in)
B. O-ring
C. Valve (with O-ring)