An air switch is the safe way to operate your appliance , even with wet hands. Unlike an electrical switch, the air switch can be installed right next to your taps or around the wet area of your sink. How does an Air Switch work? When the airswitch is pressed, the air is compressed in the tube, closing the contact switch. This in turn supplies the appliance with power. The special switching mechanism allows the switch to stay in a closed state until the air switch is pressed again, cutting the power to the appliance Key Advantages Electrically safer Can be fitted into the bench for easy access; More than 80, 000 pressure strict test records; Transmitter button with escutcheon, base and fastening nut included; CE approved