Adjustable Pressure Switches Compared


Presairs’ Adjustable Pressure Switch continues to be favored vastly as a safe, economical, and accurate solution for simple electrical on/off control over pressure. Each switch delivers complete electrical isolation with zero voltage at the actuator. This removes the worry of a possible shock to the user or a spark leading to an explosion. These switches are 100% tested with a 100,000+ cycle life and are UL and CUL Recognized.

Why Presair?

Our Adjustable Pressure Switch is field adjustable by a hex screw at the center of the micro switch but can be preset at the factory if preferred. We also offer dual switches that are factory set to operate two separate micro switches at different pressure settings. These switches come in multiple body style connections providing the needed versatility for air hose connections. Four different contact configuration choices provide you with a variety of functions in a circuit. Presairs’ Adjustable Pressure Switches are not only great for medium temperatures, but also for lower temperatures. Our pressure switch is able to operate in temps as low as -22°F. That is a whole 54° lower than our competitor with the closest range! Presair promises you the best quality and accuracy for your money. Click the below comparison chart to see how else Presair compares to competitors.

Product Description

Presair’s Adjustable Pressure Switches span the range on increasing pressure of 1.5 Inches  to 125 psi. All switches are 100% tested at high and low settings and at a high proof pressure.

• 1/8 NPT + 9/16” -18 Thread Mount w/ Center Air Spout


• 21 Amps, 1 hp @ 125VAC

• UL and CUL Recognized

These switches come preset at the lowest pressure of the specified range. If you’d like to have your switches preset to a pressure at the factory for an extra $10 per switch, please specify the  pressure below.

For more information, click one of the buttons below or contact a member of our customer service team.

Contact us about our adjustable pressure switchesView adjustable pressure switch options

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