Question about Pentair 15 Hp Superflo Swimming Pool Pump

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Put in new motor, but pump will not turn. a.j. smith motor, pentair ultra flow... installed new seals also

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Buy a multimeter set to 600 v A.C
Reset the breaker off then on
Check for 220 or 110 at the timer
Turn on the timer check again
Check again at the motor
If voltage turn breaket off
Take back center cover w a flat scree driver try to turn using a 1/2 wrench if turns you have a bad motor if doesnt somthing blocking the impeller

Posted on Dec 03, 2014

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The most common reason is you left part of the old seal stuck on the impeller and the new seal is riding on top of the seal ring (black rubber) of the old and therefore is tom compacted and it binds up the pump. Double check you removed all the old seal parts.

If that's not it, with the impeller off, can you turn the motor shaft then?


Posted on May 30, 2011


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I have a I.5 HP pool pump. When I turned it on this year it makes a high pitched load noise like a bearing is going out. Can I replace the bearings?

Thank you for posting your question here on

You can try but you are likely missing at least one semi-custom tool required to install the new ones - a bearing driver. The bearings are less than $10 each, labor at a local electric motor repair shop should be under $75...all told for less than $100 you can have it done and know it is right plus get a warranty on the work performed.

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If you are willing to risk trying the repair yourself you'll need to disassemble the motor, ID what the current bearing size and type are, get a set of them, check the seal, install new parts after cleaning up the pieces of the motor and pump and then put it all back together and reinstall it.

If you run into trouble along the way post a comment with the issue you are having and we can go from there.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at Positive feedback is appreciated once your problem is solved!

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Your motor bearings are failing. It is most often caused by a leaking pump seal. It is a relatively inexpensive repair if it is caught early enough; before the shaft is damaged from the corrosive water eating into the steel. Take it to a local electric motor repair shop for inspection. It will likely need a set of 203 bearings for the motor and a mechanical seal for the pump. All told, depending on the labor rates, it should be less than $75. You could try to repair this yourself however if you are not familiar with the process it is money well spent having someone who is do the repair for you.

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