Question about Pentair 2 hp WhisperFlo InGround Pool Pump WFE28 ()

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PentairPen pentair 2Hp whisperflo pump comes on then shuts off

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  • Pentair Master
  • 10,402 Answers

Motor overheating replace motor or pump

Posted on May 08, 2016


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Posted on Jan 02, 2017



  • 1 Answer

SOURCE: pentair whisperflo pool pump motor replacement

No there is a cover on the other side of the motor thet comes off and with a 9/16 wrench holding the shaft - spin the impeller off

Posted on Jun 28, 2009

Kieran Ruppert

  • 990 Answers

SOURCE: my pentair whisperflo is making a load squealing

When you have noise in the pump it is usually a rumbel or rattel. If you have a squealing it is probally in your motor and is more than likly a bad bearing. If you have any water leaking at your seal this is probally the problem and it will just get worse. Sorry to say you are very close to a new motor.

Posted on Dec 07, 2009


John Prohaska

  • 1378 Answers

SOURCE: Pentair WhisperFlo Wiring Help

If you just bought this then there will be a diagram on the motor nameplate and/or under the terminal cover where you connect the wires. Generally speaking, there are two wires inside the motor that change positions depending on 115 or 230 v connection. If one of the wires is on a post common to one of the line leads, that usually means you have the motor set for 115V. Is that the voltage you are supplying to the motor? If there is no diagram you can make out on the motor, post what brand motor and the motor model number for a diagram.

Posted on Dec 24, 2009


D. Floyd Kolb

  • 43501 Answers

SOURCE: What are the specifications for

Take the cover off of the is the bump on the top of the motor...then look on the capacitor and find the numbers that end with mfd. that is the size or rating of the capacitor...also then look for the voltage of the need to match that also...there are so many different motors used, even for the same pump that it is hard to say for sure what you may need there with out looking at it.
You can do that and then you know you are getting the correct cap for your motor...
My guess is that you are looking for something in the range of a 20mfd 370volt cap. but please check it out for sure they vary alot!!


Posted on Aug 28, 2010

Kieran Ruppert

  • 990 Answers

SOURCE: Good morning. Three years ago we had an inground

More than likly it's a square flange motor. If the noise is just starting when you take the pump apart you can check the impeller for problems but the most likley is a bearing going bad from a seal leak. If you remove the wires and take the motor with the back half of the pump to a pool store they can diagnose it for you and do the nessary repairs at the shop. Usually they will do this for a small bench fee or for just the price of the nessary parts.

Posted on Oct 07, 2010

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Pump makes humming noise impeller spins slowly

sounds as if pump has stuck start winding switch , try giving Motor not the pump a sharp knock with a rubber mallet when you 1st turn on , this might jar it loose if not a new motor might be needed , if motor was larger then say 2hp then id say get it fixed at a motor repair shop due to cost saving but smaller sizes it's not worth it most times

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Pentair WhisperFlo wont start and claims priming dry

make sure basket is full and check the incomming union make sure tight also make sure top seal is ok

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see you tube video on Pentair whisperflo programming it helped me

Jul 09, 2012 | Pentair 1hp Whisperflo Pool Pump In -...

1 Answer

I have a 2HP Pentair Whisperflow pump that has stopped working after only 2 years. When I turn it on, it just makes a humming noise even though the impeller is free. Any ideas?

Thank you for posting your question here on

It could be the pump is bound up but it is more likely the motor is failing. It may be a small part such as the capacitor or the starting switch, but could also be more severe such as the winding itself. You will also want to examine the shaft where it passes thru the pump and motor and look for signs of rust from a pump seal leak.

If you are not familiar with testing these parts your best bet would be a local electric motor repair shop to see if the motor can be repaired or if it would need to be replaced. They should also be able to ensure there is no pump damage.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Oct 23, 2010 | Pentair 2hp Whisperflo Pool Pump In -...

1 Answer

Turned on pump it sparked and stopped running breaker didn't trip.

99.9% Sure that motor is bad. Either replace with new(my choice) or have it rebuilt.

Mar 15, 2010 | Pentair 2hp Whisperflo Pool Pump In -...

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