A garbage disposal air switch is a type of pressure or plunger control knob that activates a garbage disposal by pushing a burst of air through a plastic or vinyl tube to a control unit mounted under a sink. … The switches work with most types of garbage disposals with common power ratings. How does a disposal work? how does a garbage disposal work diagram.

How does an air activated switch work?

When a pneumatic switch is compressed, rather than completing an electrical circuit like a more common electrical switch, it sends a puff of air down a tube to an air switch connected to an electric circuit.

Is air switch for garbage disposal safe?

Safety – First and foremost, air switches are very safe. Even though the control box/air switch is plugged into an electrical outlet under the sink, there’s no electricity at the point of contact with the countertop garbage disposal button. Thus, reducing the risk of electrical shock.