THE UNIT IS SUPPLIED COMPLETE OF: RESERVOIR 1.2 L OR 2.2 L LOW LEVEL SWITCH: 1 A 250 V AC 200 V DC 50 W PUMPS FROM 1 TO 2 COAXIAL FEEDING LINES (METALLIC COVERING). MUST BE ORDERED SEPARATELY WITH 8 MM TERMINAL. SEE PAGE 101 METALLIC BOX THE SOLENOID VALVE HAS TO BE ORDERED SEPARATELY CODE 14.660.0 AIR REGULATOR AIR REDUCER + GAUGE FREQUENCY GENERATOR