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Thread: How to make jets fit 1.5" NPT (pool sweep fitting)

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    Join Date
    Oct 2014
    Bay Area, California

    How to make jets fit 1.5" NPT (pool sweep fitting)

    So I told the guys to install the threaded female fittings in the wall, instead of a bare pipe like they were going to. This was so I could use a fountain, or also use the threaded return jets. Well now I've realized that the female threaded fittings are different from what they use for return jets, so now I have to make these work. Notice how the thread doesn't go all the way to the end of the jet. I was thinking of just cutting a little PVC spacer to fill this gap?

    here is the jet, notice how it's not threaded all the way:

    here is the fitting I have, notice how the threads go to the end:

    here is the usual fitting, notice the gap between the threads and mating surface:
    Approx 15,000 gallon gunite pool, fiberglass finish. Hayward SP2302VSP, compools solar controller, 6 4x10 "Sealed Air" brand solar panels, Clean and Clear 520 cartridge filter

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: How to make jets fit 1.5" NPT (pool sweep fitting)


    I am sorry no one responded to this before. You don't really care if it leaks a bit do you? It seems you could simply screw it in hand tight and be done with it.

    Great illustration of your issue, BTW
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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