Pressure Switches

Presair pressure switches make electrical contact when a certain set pressure has been reached on its input. These switches are available either field adjustable or factory set allowing each micro switch to operate at a different setting.

Each switch is designed & manufactured to exacting standards to meet the needs of original equipment manufacturers & instrument makers for low cost, stable switches & good repeat accuracy.

Our pressure switches have a range of 0.25 inches of water to 125 PSI.

Presair offers:

  • Pressure Monitoring System
  • Tinytrol Miniature, Factory Set Pressure Switches
  • Adjustable Pressure Switches
  • Sensitive Differential Pressure Switches
  • Printed Circuit Board Mount Pressure Switches

Learn more about each of these different options below.

custom options

Wide variety of options available to meet original equipment manufacturers product requirements.

high quality

Presair switches are 100% testing before leaving our facilities.

safe & economical

Remote operation with complete electrical isolation. UL Recognized. Costs less than conventional controls

made in u.s.a.

Products are designed & manufactured in Eau Claire, Wisconsin, USA.

Talk to a product specialist today!

Pressure Monitoring

Welcome to the perfect notification product for monitoring pressure! This simple external solution features a light (optional audible alarm) that’s designed to grab the attention of qualified personnel anytime pressure is rising too high or falling too low in a system. Prevent & fix issues before they cause significant downtime!

Tinytrol® Factory Set Pressure Switch

Tinytrol pressure switches provide versatile & convenient sensing. Their miniature size & variety of connection styles for simple implementation into any system. These switches allow for simple electrical on/off control over pressure. As pressure rises or falls, one contact opens as the other closes. These pressure switches are factory set from 0.25 inches of water to 65 PSIG.

Adjustable Pressure Switch

Presair’s adjustable pressure switch is field adjustable from 2.5 inches of water to 125 Psi. The adjustable range is 10% to 25% lower on falling pressure, although special differentials are available. Dual pressures switches available & can be factory set to allow each snap action switch to operate at a different pressure setting.

Differential Pressure Transmitter Switch

Sensitive Differential Pressure Switch

Sensitive differential switches are the perfect for those needing a sensitive, adjustable switch at an affordable price. They can be setup to sense either pressure, vacuum, or the difference between two sources of pressure or vacuum.

PCB Mount Pressure Switch

Printed circuit board mount pressure switches are miniature single pole & double pole switches used as pressure switches where moderate accuracy is sufficient. Pressure ranges: 6 IN.W.G. to 65 PSIG. Actuation point is customer specified & set at the Presair factory. Some models allow field adjustment.

PCB Pneumatic Switches
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