Temp sensor. W/E-GOLF. A safety switch that monitors the pressure of the refrigerant. A/C Refrigerant Pressure Sensor. A/C Refrigerant Temperature Sensor. From 10/19/2020. Heat Pump. Location-Compressor Hose. R1234YF Refrigerant. To 10/19/2020. To 12/11/2023. (A/C) Temperature. HVAC Switch. Included with: AC line, Both discharge and suction hose, Center AC line, Center AC tube Part cannot be reused/reinstalled, Discharge line, Rear AC tube, Suction hose Part cannot be reused/reinstalled.