DPDT Vacuum Switch

Presair’s DPDT vacuum switch actuates two separate pieces of equipment when the desired setpoint vacuum is sensed. The vacuum switch spans the range of pressure from .25 inches of water gauge to 300 inches of water in four basic models.

For more information on Presair’s vacuum switches, view our product sheets or contact us.

The Presair Air Switching system uses an air bellow actuator joined by tubing to an air switch contained within the equipment or appliance to be switched. Pushing the actuator creates enough pressure to operate the air switch which safely controls the equipment. There is complete electrical isolation with no voltage – low or high – to worry about at the point of actuation. No external compressed air is required.

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