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  1. U

    Help Troubleshooting Pentair WhisperFlo Priming Issue (just replaced motor bearings)

    I disconnected the motor for the second time today to triple-check the seals and connections. While I was at it, I ran the pump for a few seconds with the diffuser off to make sure the impeller was moving properly. Still no luck getting the pump to prime though. All of the connections seem...
  2. Pump Setup.jpg

    Pump Setup.jpg

  3. Volute.jpg

    Volute.jpg

  4. Motor Impeller.jpg

    Motor Impeller.jpg

  5. U

    Help Troubleshooting Pentair WhisperFlo Priming Issue (just replaced motor bearings)

    Update: I bought a "cleaner bladder" attachment from Lowes, and it was a massive failure. I turned the far skimmer and main drain suction lines off, then put the bladder attachment (connected to the water hose) in the "near" skimmer (~5 ft, at most, from the pump). I followed the instructions...
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    Hello from Dallas, TX

    Hi all - my name is Geoffrey. I've been a long-time lurker on TFP for pool advice, but I finally bit the bullet and created an account to post because I recently replaced my pump motor bearings and I am knocking my head against a wall trying to get the prime. I created a thread here - Help...
  7. U

    Help Troubleshooting Pentair WhisperFlo Priming Issue (just replaced motor bearings)

    I am hoping someone can help me here. I've been banging my head against a wall on this the past two days. Background: The bearings / seal were shot on my ~10 year old WhisperFlo pump. The sound became ungodly, and it was slowly leaking water, so I bit the bullet on Thursday and pulled the motor...