PSI - Pressure Switches Inc



1-800-259-6874

Product List
Full Color Catalog
What We Offer


Please select a Pressure Switch model from the list below and click on the "GO" button to obtain the applicable data.

* please contact us for prices & quantities


To view our full line of level, Pressure and Temperature products click here


Pressure Switches Inc. is now offering a downloadable full color catalog. Simply click on the link below to start the download.

PSI Catalog

NASC & PSI Catalog

Request a brochure
or CD to be mailed.


Pressure Switches

PSI manufactures six series of pressure switches to serve your needs. PSI’s line of pressure switches is diverse enough to meet your differential, vacuum, pneumatic and hazardous locations requirements. PSI prides itself on being made in the USA.

All exterior materials are precision machined out of aluminum and anodized for durability. All internal workings are either anodized aluminum or stainless steel. All three series of pressure switches can be ordered with 316SS pressure connection fittings. All markings are laser engraved for durability and readability.