Be Alerted when Vacuum Rises or Falls in your System with Presairs’ Vacuum Alarm. You’ve heard of our Presair Pressure Alarm but did you know we can also do a Vacuum version? Presairs’ Vacuum Alarm is a perfect way to…
Presairs Adjustable Vacuum Switch VS. V4000 & HPS-600-V
Why Presairs Adjustable Vacuum Switch? A clear view of Presairs Adjustable Vacuum Switch up against top competitors V4000 – Field Adjustable & HPS-600-V – Adjustable Actuation. As a simple tool, we have created a competitor chart that can be found…
Adjustable Vacuum Switches: A Cost Friendly Solution to Confirming Vacuum
Over here at Presair, we are dedicated to finding you a solution that will fit your application, cause less headaches, and save you a little money. We received a customer testimony from a facility that produces ink here in the…
How To Adjust Vacuum Switches
Many of Presair’s vacuum switches are field adjustable. This allows you to adjust the point of actuation to the exact vacuum setting you require for your application. It can be done on the fly wherever the adjustable switch is placed. **Notice – the…
Adjustable Pressure and Vacuum Switch Cross Reference Guide
As an easy guide for you we have created this simple cross reference guide to help you find the part you need. If you have one of the part numbers listed below, simply match it to our part number. Presair…
Installing the Switch Cover on a Pressure Switch
Installing the Switch Cover on a Pressure Switch Installing the rubber switch cover (or switch boot) over a Presair adjustable vaccum or pressure switch can be a pesky task. Although the switch cover adds much needed protection, it can be…
Low Sensing Vacuum or Differential Pressure Switch Cross Reference Guide
As an easy guide for you we have created this simple cross reference guide to help you find the part you need. If you have one of the part numbers listed below, simply match it to the corresponding part number.…
Presair Switches Can Sense Pressure or Vacuum
What’s the Difference Between a Pressure and Vacuum? Pressure and vacuum switches can look exactly the same. Yet, the systems they’re used in can differ greatly. So what’s the difference? It’s quite simple in reality. Presair makes switches that can…