Pressure Monitoring Solutions

Prevent & fix issues before downtime occurs! Presair’s pressure monitor is designed to notify personnel immediately when airline pressure rises or falls to avoid production loss. This simple external solution features a light with audible alarm option, pressure sensor – up to 125 psi, & 120V power.

custom options

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

high quality

Highly stable with good repeat accuracy. All switches are 100% tested at high &low settings & at proof pressure.

safe & economical

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

made in u.s.a.

Presair switches are designed & manufactured in Eau Claire, Wisconsin, U.S.A.

Welcome to the perfect product for pressure monitoring solutions! Designed for monitoring industrial line pressure to notify personnel as soon as loss of line pressure begins to occur or an increase of pressure. These simple pressure monitoring solutions feature a flashing light (optional audible alarm, 90 DB) that’s designed to grab the attention anytime pressure is rising too high or falling too low in a system.  Preventing & fixing issues before they cause significant downtime!

Presair’s pressure alarm is available as field adjustable or factory set.

Built with a field adjustable pressure switch, this model can be set directly by the user with a range of 1-125 PSI. It can monitor pressure rise or fall at a the user’s set point using the stack light to notify light only or light & audible alarm.

Presair offers a factory set version with a smaller foot print than the adjustable pressure monitor. If the pressure in your system drops below or above your specified pressure, the stack light will notify using the light only or the light & audio.

  • Multiple notification options available
  • Variety of air connections available
  • Pressure range of 0.25 inches of water to 125 PSIG
  • Differential Pressure ±10 psi
  • Protective switch housing options for tough environments
  • The adjustable pressure switch is UL & CUL rated for 100,000 cycles at 5 Amps @ 240VAC.
  • Stack light mounting options

Common Applications

Presair’s pressure monitoring solutions commonly found in an industrial applications for notifying qualified personnel when pressure rises or falls in a system.


Frequently Asked Questions


Can I sense pressure rise and fall within my system?

Our standard pressure alarms currently do not have this capability. Although, it can be achieved by installed two pressure monitors onto the air line, or customizing the switch to be a DPDT function pressure switch. For more information, please contact us with your application details.

How do I install my pressure monitor into my system?

It’s quite simple!

  1. Find location
  2. Adjust pressure switch to desired set point
  3. Connect power

For more information, view the instruction manual here.

How do I adjust the pressure switch?

The pressure switch has a hex screw for adjustment. Click here for instructions.

How loud is the audio alarm?

Although we don’t have a specific measurement, the audio alarm can be heard throughout a factory warehouse to alert nearby personnel.

What is the maximum pressure the switch can handle?

Depending on the switching pressure (0-125 psi), these pressure switches are proof tested from 60-200 psi.

What is the fitting on the pressure switch for installing into my airline?

The pressure switch has a 1/8” M-NPT. Other options available, contact us.

What is the distance of the power cable?

Both cables (power supply and switching supply) are three feet in length.

Request A Quote

Complete the form below with your application information, and a product specialist with follow up with you in 1-2 business days.

    Your Name (required)

    Company Name (required)

    Telephone Number (required)

    Your Email (required)

    Sign up to receive email newsletters and marketing materials.


    Your Message

    Call Now