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…
Adjustable Pressure and Vacuum Switches How To
How To Adjust Your Pressure or Vacuum Switch Many of Presair’s pressure and vacuum switches are field adjustable. This allows you to adjust the point of actuation to the exact vacuum or pressure setting you require for your application. It…
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. Give…
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…