PR Series Adjustable Pressure Switch

(1 customer review)


Presair’s adjustable pressure switches span the range on increasing pressure of 1 psi to 125 psi. Choose your desired adjustable range below.

  • Radial Mount with side air spout
  • SPDT or DPDT
  • 21 Amps, 1 hp @ 125VAC
  • UL and CUL Recognized


Factory Set Point

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.


PR Series Adjustable Pressure Switch

Radial Mount, SIDE AIR SPOUT

Presair’s PR series adjustable pressure switch is designed and manufactured to exacting standards to meet the needs of original equipment manufacturers and instrument makers for low cost, stable switches and good repeat accuracy. Field adjustable using the hex head set screw at the center of the pressure switch.

The pressure switch’s microswitches are in the open state before actuation point is reached.

Presair’s adjustable pressure switches span the range on increasing pressure of 1 psi to 125 psi. All switches are 100% tested at high and low settings and at proof pressure before .

  • Radial Mount w/ Side Air Spout
  • SPDT or DPDT
  • 21 Amps, 1 hp @ 125VAC
  • UL and CUL Recognized

Presair is a leading manufacturer of adjustable pressure switches. Our field adjustable pressure switches allow our customers the flexibility of easily setting the switch parameters in the field as driven by the needs of the project. We offer a wide variety of options to meet original equipment manufacturers product requirements. If you are interested in purchasing a custom adjustable pressure switch, feel free to contact us. Presair switches are designed & manufactured in Eau Claire, Wisconsin U.S.A.

For more options view the product sheet below!

Adjustable Pressure Switch Options Contact us

Additional information

Weight 5 oz
Dimensions 5.13 × 8.63 × 1.63 in
Adjustable Pressure Range

a) 1 – 5 Psi, b) 2.5 – 6 Psi, c) 4 – 11 Psi, d) 9 – 18 Psi, e) 15 – 28 Psi, f) 25 – 40 Psi, g) 35 – 65 Psi, h) 50 – 100 Psi, i) 75 – 125 Psi

Switch Circuit

a) SPDT, b) DPDT

1 review for PR Series Adjustable Pressure Switch

  1. B Scott Swing (verified owner)

    Alway easy to order and fast delivery so I am very satisfied

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