Replacing Pool Pump Motor Capacitor

Start capacitors have a limited service life of approximately 5000 starts of the pool pump motor.

Replacing pool pump motor capacitor.

The smaller black capacitors located in the rear of a motor are usually labeled with a range of numbers i e 161 193 mfd while the larger silver capacitors typically located on the hump of the motor on top are sized by a uf. When you replace a capacitor never put in a lower rated capacitor. Will pool pump motor overheat if you put a smaller capacitor. If you don t have the exact replacement value can larger or smaller value work ok.

Pentair 340040 superflo high performance single speed pool pump 2 horsepower 115 230 volt 1 phase 4 4 out of 5 stars 217 jard replacement for discontinued genteq 628318 308 30 mfd 370v magnetek motor capacitor. 99 0 48 oz 297 69 297 69. Replace your capacitor when the shaft or impeller spins freely and when powering the motor you hear a buzz or a hum from the motor which may trip the breaker. Will pool pump motor overheat if you put a bigger capacitor.

For example this one is a start capacitor rated at 124 149 mfd and 125 vac. Check the rating on the pool pump capacitor for replacement specifications. They will vary by manufacturer. Replacing start capacitor see our guide on how to replace a pool pump capacitor.

Look for their mfd or uf and vac specifications. Pool pump capacitor replacement tips. Run capacitors typically last longer. If you can t find your size capacitor it is acceptable to use the one rated one step higher.

Century usq1202 2 hp 3450 rpm 48y frame capacitor start capacitor run odp enclosure square flange pool motor 4 1 out of 5 stars 153 225 99 225. Pool pumps may have two capacitors one in the back the start capacitor and one on top the run capacitor. We get a lot of questions concerning capacitors on pool pump motors.