Pressure Switch, 90/120 PSI #01A496

Old Part Numbers: 90393

Air compressor pressure switch assembly.

If the compressor doesn't cut in or cut out at the designated PSI, most likely the pressure switch is defective.

NOTE: If your pressure switch is constantly leaking out of the small bleeder valve (underneath the switch), especially after the unit shuts off, order a tank check valve instead, your pressure switch is okay.