PresAir

Safety Suction Spa Switch

Safety Suction Spa Switch

Safety suction spa switch is a vacuum switch found on Cal Spas. The safety suction switch is located in front of the spa pumps and often found under a blue or yellow rubber covering. A faulty safety suction switch can cause pumps and heater to shut down.

Presair mechanical vacuum switches make electrical contact when a certain set vacuum has been reached on its input.

Our mechanical vacuum switches are available in multiple styles including adjustable vacuum switches or fixed set point vacuum.

By providing on/off switching from a pneumatic source, Presair vacuum switches deliver critical benefits:

  • Safe and Convenient: Remote operation with complete electrical isolation. UL Recognized.
  • Economical: Costs less than conventional controls
  • Accurate: Highly stable with good repeat accuracy. All switches are 100% tested at high and low settings and at proof vacuum.
  • Reliable: Minimal moisture absorption and maximal dimensional stability.

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