Presair mechanical switches make electrical contact when a certain set vacuum has been reached on its input. Our switches are available in multiple styles including adjustable vacuum or fixed set point vacuum.
Each switch is designed & manufactured to exacting standards to meet the needs of original equipment manufacturers & instrument makers for low cost, stable switches & good repeat accuracy.
These switches have a range of 0.25 inches of water to 300 inches of water.
- Adjustable Vacuum Monitoring System
- Tinytrol Miniature, Factory Set Vacuum Switch
- Adjustable Vacuum Switches
- Sensitive Differential Vacuum Switch
- Printed Circuit Board Mount Vacuum Switches
Learn more about each of these different options below.
Wide variety of options available to meet original equipment manufacturers product requirements.
Presair switches are 100% testing before leaving our facilities.
SAFE & ECONOMICAL
Costs are comparable or lower than conventional controls meeting the needs of original equipment manufacturers.
MADE IN U.S.A.
Products are designed & manufactured in Eau Claire, Wisconsin, USA.
Talk to a product specialist today!
Welcome to the perfect notification product for monitoring vacuum! This simple external solution features a light (optional audible alarm) that’s designed to grab the attention of qualified personnel anytime vacuum is rising too high or falling too low in a system. Prevent & fix issues before they cause significant downtime!
Tinytrol Factory Set Vacuum Switch
Tinytrol switches provide versatile & convenient sensing. Their miniature size & variety of connection styles for simple implementation into any system. These switches allow for simple electrical on/off control over vacuum.
Presair is a leading manufacturer of adjustable vacuum switches. Our switches are designed & manufactured to exacting standards to meet the needs of original equipment manufacturers & instrument makers for low cost, stable switches & good repeat accuracy.
Sensitive Differential Vacuum Switch
Sensitive differential switches are the perfect for those needing a sensitive, adjustable switch at an affordable price. They can be setup to sense either pressure, vacuum, or the difference between two sources of pressure or vacuum.
PCB Mount Vacuum Switches
Miniature single pole & double pole switches used as vacuum switches where moderate accuracy is sufficient. Vacuum ranges: 6 IN.W.G. to 200 W.G. Vacuum setting marked on switch in inches water gauge. Actuation point is customer specified & set at the Presair factory. Some models allow field adjustment.