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Thread: What to use to glue/secure suction line coupling

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    What to use to glue/secure suction line coupling

    Hello
    The plastic intake coupling of my pool's dedicated suction line has come loose; as a matter of fact it was never glued when the pool was built. I am referring to the piece that is female-threaded to receive the suction line cover that has the spring-loaded cover. A repairman put epoxy over and under it hoping it would stick, but it didn't work.

    What can I use to glue that against the wall surface? Hopefully I can do it without draining water.
    16,900 gallon inground pool (16x30 with spa bench)
    Sta-rite cartridge filter
    Diamondbrite surface, redone in 2017.
    1.5hp Hayward Super Pump
    Hayward Navigator Pro suction cleaner with V-flex kit

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    Re: What to use to glue/secure suction line coupling

    Is it underwater? I can't picture for sure what you are talking about. Do you have a pic?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: What to use to glue/secure suction line coupling

    Yes it is underwater.
    I am referring to the white piece to the far left of the picture. It has a piece of epoxy still stuck to it.Attachment 34362
    16,900 gallon inground pool (16x30 with spa bench)
    Sta-rite cartridge filter
    Diamondbrite surface, redone in 2017.
    1.5hp Hayward Super Pump
    Hayward Navigator Pro suction cleaner with V-flex kit

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    Re: What to use to glue/secure suction line coupling

    I get it, now. I think the best solution would be to drain below that line, allow it to dry THOROUGHLY, and then epoxy it again. The epoxy will be totally waterproof after it sets up but generally, even the "underwater" adhesives don't work as well.

    FWIW, my pool has a threaded receptor for that fitting but I assume you checked and yours does not.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: What to use to glue/secure suction line coupling

    thanks duraleigh
    I have the threaded receptor. It is screwed in to that white piece.
    Here's a thought. That white piece I'm referring to slides into the 2" pipe that is on the wall. Why not glue it with pvc cement? What better seal and glue than that?
    Or is future serviceability and removal of that piece important?
    16,900 gallon inground pool (16x30 with spa bench)
    Sta-rite cartridge filter
    Diamondbrite surface, redone in 2017.
    1.5hp Hayward Super Pump
    Hayward Navigator Pro suction cleaner with V-flex kit

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    Re: What to use to glue/secure suction line coupling

    That looks like the PVC wall fitting that the suction hose fitting is threaded into. I agree with you about using PVC cement to affix it. I also agree with Dave about draining below it before attempting a fix.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: What to use to glue/secure suction line coupling

    thank you all
    I came across a pvc cement that can cure underwater (the blue container, Oatey Rain R Shine) and I've seen Mr Sticky's underwater glue.
    I would love to drain the pool to do this dry, but that's a lot of water to have to fill.
    What do you guys think of using the Oatey or Stickys and not draining?
    16,900 gallon inground pool (16x30 with spa bench)
    Sta-rite cartridge filter
    Diamondbrite surface, redone in 2017.
    1.5hp Hayward Super Pump
    Hayward Navigator Pro suction cleaner with V-flex kit

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    Re: What to use to glue/secure suction line coupling

    I have never tried it. Personally, I would not go to all that trouble and risk anything going wrong. It'll cost $20 or so for water if you drain.......that would be my choice.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: What to use to glue/secure suction line coupling

    We call that Blue glue or Hot glue. It works great for putting PVC back together that's still dripping or trickling a little water when you get in a pinch like that. It will not perform well in that submerged application. You still need to prime as much as possible for the best bond. It sets very quickly too just FYI. Best to drain down just enough to expose this fitting and re-glue it like that.
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