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Thread: hayward sand filter pipe leak

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    hayward sand filter pipe leak

    so i've installed a hayward sand filter with unions, but i have leaks. Please look at the photo below. In the photo, there is a plastic part that you screw in, am i supposed to glue the plastic part in or is tightening it by hand enough?

    http://tinypic.com/r/w6tfg9/8

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    In the Industry

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    Re: hayward sand filter pipe leak

    Teflon tape and silicone will do the trick do not glue

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    Re: hayward sand filter pipe leak

    Teflon the threads on the union, 5 complete turns, then make sure the union has an o ring on it. Its the o ring that seals, hand tighten, then 1 1/4 turns more with a wrench.

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    Re: hayward sand filter pipe leak

    thanks for the replies, appreciated.

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    Re: hayward sand filter pipe leak

    Teflon the threads on the union, 5 complete turns, then make sure the union has an o ring on it. Its the o ring that seals, hand tighten, then 1 1/4 turns more with a wrench.
    Generally, that will probably be too tight. 3 wraps is usually adequate and more importantly, I would NEVER tighten a threaded joint much past about 1/2 turn more than hand tight. 1 and 1/4 complete revolutions should not be necessary,,,,,try the 1/2 turn before you go further.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: hayward sand filter pipe leak

    the threaded joint that i'm trying to tighten into each of the 3 outlets in the multiport valve, the threaded joint has its own o ring on each of the three threaded joints?

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    Re: hayward sand filter pipe leak

    I've put an o ring (was supplied in pack) on each of the threaded joints, the oring sits on the side of the thread that's not visible once 'screwed in.'

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