PSW21 Series

The Omega PSW21 Series compact pressure and vacuum switches cross reference to Presair’s adjustable pressure and vacuum switches. The adjustable switches are designed and manufactured to exacting standards to meet the needs of OEM manufacturers and instrument makers for a low cost, stable, repeatable switch. Plastic mechanisms and housings are acetal to minimize moisture absorption and maintain dimensional stability. Plastic welding is accomplished using advanced microprocessor controlled ultrasonic welding equipment. All switches are 100% tested at high and low settings and at the proof pressure. Units are delivered with the set point at approximately the midpoint of the adjustable range.

Presair switches are a direct replacement option to the Omega PSW21 Series compact pressure and vacuum switches. Choose the desired mounting style below to purchase an adjustable pressure or vacuum switch online.

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