This part has a unique pressure release feature that does not allow atmospheric pressure to cause action of the switch when it is not needed. Basic on /off function designed to run at long distance i.e. more than 3 meters.
Diameter: 64 mm
Height: 80 mm.
Fits Hole Size: 40 mm
Compatible with Hot Tubs, Spas, Jetted Tubs, Whirlpool Baths etc. For use with long distance operation.
