For 120/240 volt models.

Old Part Numbers: WA-25, WA002500AV, WA003900AV, WA002400AV, WA002401AVOrder hubcap also if needed. For WL611700AJ Compressor. For WL611800 Compressor and others.

Old Part Numbers: WL000302AV

Flat-head mach screw.

Head Bolt Kit (set of 4ea. , part #11)  Torque to 100 In-Lbs.

Old Part Numbers: ST074415AV, ST120200AV, ST073236AVIncludes six (6) screws.

Campbell Hausfeld air compressor pressure switch.  Important: If the 90-degree unloader valve leaks constantly (where the 1/4" bleeder line installs) after the compressor shuts off, you have a defective tank check valve; your pressure switch is okay...