Question about Pentair 1.0 Hp Whisperflo Pump

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Pump makes humming noise impeller spins slowly

Pump makes humming noise , impeller spins slowly

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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

Posted on Dec 11, 2014

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Posted on Jan 02, 2017

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john224
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SOURCE: I have a 2HP Pentair Whisperflow pump that has

Thank you for posting your question here on Fixya.com.


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!


John

Posted on Oct 26, 2010

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