We strive for 100% customer satisfaction and back our products with a one year warranty.

Our pressure ranges from 10″ WC to 5000 psi. Enclosure ratings from Nema 4x to Nema 7&9 (Explosion proof).

Our pressure switches carry
UL & cUL Approvals.

PSI manufactures high quality, industrial grade pressure switches. Offering superior materials of construction, our pressure switches are each hand assembled and tested throughout the assembly process to insure 100% customer satisfaction. We offer a full line of pressure, DP and vacuum switches.

Special Purpose


Hazardous Location