1000. 2.7. 2.8 & 4.2 LITER. 30436. 3533. Safety switch. A safety switch that monitors the pressure of the refrigerant. A/C Refrigerant Pressure Sensor. From Chassis/VIN 8E-7-220-201. To Chassis/VIN 4B-2-000-001. To Chassis/VIN 8E-7-220-200. RELIEF VALVE. AIR CONDITIONING (A/C) Refrigerant. HVAC. LOW. PRESSSENS. Safety. Thrust.