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Thread: Pentair Dynamo Discrepancy

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    Pentair Dynamo Discrepancy

    I'm looking to get a Pentair Dynamo 2 speed, and I saw this picture and I notice there is a male npt for the output.


    Then I ran across this drawing of the dynamo pump and I notice there's a female npt for the output.



    Can someone who owns one actually confirm which it is?
    If it is a male, can someone point me to the proper adapter to hook a hose up to it? I can't seem to find one. Or maybe I'm looking right at it, and still can't see it.

    Thanks!
    Rob B
    My $100 pool finally died after 6 years.
    Totally got our monies worth!
    Butterfly made me do it...

  2. Back To Top    #2

    Join Date
    Nov 2009
    Location
    Indialantic, FL
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    323

    Re: Pentair Dynamo Discrepancy

    Don't own one, but saw one in a local strore - had the male threads on the outlet like your photo, but it also had a threaded collar that fit those threads. Looked like it was designed to tighten some sort of a flanged output line (or maybe an O-ring?).
    Geometric 16X36', 16K gal, shotcrete, exposed aggregate plaster, acrylic coated concrete deck/cantilever coping;
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  3. Back To Top    #3

    Re: Pentair Dynamo Discrepancy

    Hmmmm... Maybe that's not a NPT then.
    Rob B
    My $100 pool finally died after 6 years.
    Totally got our monies worth!
    Butterfly made me do it...

  4. Back To Top    #4
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Pentair Dynamo Discrepancy

    It is threaded on both the inside and the outside. The inside is standard NPT 1.5". The outside is something else, designed to go with a special Pentair union connector.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  5. Back To Top    #5

    Re: Pentair Dynamo Discrepancy

    Thanks Jason! That'll work.
    Rob B
    My $100 pool finally died after 6 years.
    Totally got our monies worth!
    Butterfly made me do it...

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