Old Part Numbers: CW210000AV, EV1WSICondor unloader valve for MDR21130 and other popular pressure switches.  Replace this valve if air constantly leaks from the valve while the unit is running, or if you don't hear a burst of air from the valve...

Old Part Numbers: ST016500AV

Plastite screw, 5/8" long. Screw for the plastic shroud, belt guard, etc. Note: Also used on models WL650103, WL651900, WL650703, WL651004, WL651000AJ.Specifications5/8" long

Old Part Numbers: ST146000AVSpinlock nut, 5/16"-18. This is the nut that fastens the electric motor and/or pump bolts to the base of the unit.

Old Part Numbers: MC006100AJ, MC006100AV, MC006101AJ, MC015400AV, MC019700SJ, MC019700IP, MC017500AJ, MC017501AJ, MC037001AVBrand new replacement electric motor. Emerson/AO Smith 5.5 HP 240V Single-Phase 56 Frame Specifications Frame: 56 RPM:...

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.