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Thread: 2 speed pump question

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    2 speed pump question

    Hi all,

    I replaced 2 speed Pentair whisperflo pump last year. The problem is when i use the low speed, pump volute (basket) will have more air bubbles inside than the high speed. When i use the low speed for more hours and when i switch back to high speed, i see my return line have air bubbles out to the pool. Is this normal? I don't see any leak on the pump.
    - NY Albany ~27000 water
    - In ground Vinyl 18' X 40' X 8' Deep Curved Roman End
    - Pentiar TA 60 Sand Filter
    - Pentair WhisperFlo 1HP Energy Efficient Full-Rated 2-Speed
    - 250K BTU Nat/Elec. Heater

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    bobodaclown's Avatar
    Join Date
    Apr 2011
    Location
    Murrieta, CA
    Posts
    2,360

    Re: 2 speed pump question

    Yes. It happens with mine. it's no big deal.
    Murrieta, CA. 15K (Est) pool/spa. Hayward Tristar SP3220EE 2.70HP pump, Hayward Swimclear Cartridge filter C4025 425sqft (PA106), Pentair Mastertemp 400 heater. TF-100/Speedstir

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    Re: 2 speed pump question

    so is there any problem if i keep running the low speed for few days without run the high speed to blow the air bubbles out?
    - NY Albany ~27000 water
    - In ground Vinyl 18' X 40' X 8' Deep Curved Roman End
    - Pentiar TA 60 Sand Filter
    - Pentair WhisperFlo 1HP Energy Efficient Full-Rated 2-Speed
    - 250K BTU Nat/Elec. Heater

  4. Back To Top    #4
    bobodaclown's Avatar
    Join Date
    Apr 2011
    Location
    Murrieta, CA
    Posts
    2,360

    Re: 2 speed pump question

    No problem.
    Murrieta, CA. 15K (Est) pool/spa. Hayward Tristar SP3220EE 2.70HP pump, Hayward Swimclear Cartridge filter C4025 425sqft (PA106), Pentair Mastertemp 400 heater. TF-100/Speedstir

  5. Back To Top    #5

    Join Date
    Dec 2009
    Location
    Central Massachusetts
    Posts
    2,690

    Re: 2 speed pump question

    My 2 speed on low does that too. not a big deal
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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