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.
Replacing pool pump motor capacitor.
Look for their mfd or uf and vac specifications.
Check the rating on the pool pump capacitor for replacement specifications.
Run capacitors typically last longer.
Replacing start capacitor see our guide on how to replace a pool pump capacitor.
If you pump motor is continually burning up capacitors try using the next one up in size.
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.
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.
Start capacitors have a limited service life of approximately 5000 starts of the pool pump motor.
Pool pump capacitor replacement tips.
They will vary by manufacturer.
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.
Will pool pump motor overheat if you put a bigger capacitor.
There are basically two types of capacitors used on small pool pump.
When you replace a capacitor never put in a lower rated capacitor.
Will pool pump motor overheat if you put a smaller capacitor.
Try to replace the bad capacitor with an identical capacitor.
For example this one is a start capacitor rated at 124 149 mfd and 125 vac.
Pool pumps may have two capacitors one in the back the start capacitor and one on top the run capacitor.