Adjustable air regulator assembly for air compressor units that have a 4-port pressure switch. 1/4" FPT inlet/outlet, 1/8" FPT port for pressure gauge (to maximize performance, we recommend including this compatible pressure gauge for your regulator). If...

Old Part Numbers: AB-9053138, AB-9050373, ST070324AV, 90503731/4" MPT x 1.5" steel pipe nipple. Be sure to apply plumber's tape on the threads before installation.

Old Part Numbers: Z-CAC-4336OEM Pressure Switch replacement, same as SquareD OEM part number 9013FHG12J52M1X. Replace the pressure switch if the compressor no longer cuts in or cuts out at the designated pressure (PSI), if the unit doesn't turn on or...