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Thread: Is there a trick to sealing threaded PVC??

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  1. #1
    CarlD's Avatar
    CarlD is offline SuperMod Emeritus Vortex Adjuster CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars
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    Default Re: Is there a trick to sealing threaded PVC??

    Ok, 3 things may be going on:
    1) your theads on the fittings may be damaged. Then they leak.

    2) You are using the tape wrong. It should be pulled very tightly around the threads and go in so the tape it pulled tighter, not bunching up.

    3) You aren't tightening the fittings enough. Did you may sure to use only Schedule 40 fittings? Some have longer thread areas allowing you to have more sealing.

    I hope this helps.

    There is a liquid teflon called plumber's joint compound. It used to be called Plumber's Dope, and the tape was Tape Dope. No foolin'!
    Carl

  2. #2
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    Default Re: Is there a trick to sealing threaded PVC??

    Thanks Carl,

    I tightened them down quite a bit and used the tape properly. I'm going to give the Permatex #2 a try tomorrow, let it cure for 4 hours and see what happens. Pentair says it's OK to use.......

  3. #3
    tenax is offline Registered+ Widget Weaver tenax 0
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    Default Re: Is there a trick to sealing threaded PVC??

    i've used permatex 2 as well and it works pretty slick. one thing to watch from my experience this year is if you put it on 0 rings for example (i.e. behind it) it creates this thick gunk that doesn't seal well in combination with the o-rings.

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    Default Re: Is there a trick to sealing threaded PVC??

    There is a product that is called plumbers goop that you can put on to stop the leak.

  5. #5
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    Default Re: Is there a trick to sealing threaded PVC??

    I think I'll try this.

    http://www.oatey.com/apps/catalog/in...hite%20PJC.pdf

    seems safe. Hopefully it works well.

    Joe

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    Default Re: Is there a trick to sealing threaded PVC??

    Quote Originally Posted by cruzmisl View Post
    I think I'll try this.

    http://www.oatey.com/apps/catalog/in...hite%20PJC.pdf

    seems safe. Hopefully it works well.

    Joe
    That is what I use, no problems!
    Joe

  7. #7
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    Default Re: Is there a trick to sealing threaded PVC??



    I was looking at the install last night and while I'm not a plumber, it looks WAY better than what the PB did. I also used all hard PVC, no flex tube.

    Once I get all the minor leaks sorted, I'm going to hook up my liquidator.

  8. #8
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    Default Re: Is there a trick to sealing threaded PVC??

    Quote Originally Posted by cruzmisl View Post
    I think I'll try this.

    http://www.oatey.com/apps/catalog/in...hite%20PJC.pdf

    seems safe. Hopefully it works well.

    Joe
    We used that stuff all the time when I was plumbing, stir it up really well first to get all of the goo on top mixed in. Either that or dump it out, I always stirred it though. Good luck on it, leaks are tough sometimes, especially the drips.
    steve

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    Default Re: Is there a trick to sealing threaded PVC??

    I think my .02 is too late as you seem to be going another route but for future reference; Make sure you wrap the Teflon tape counter clockwise on the threads (Or in the case of a left handed thread, clockwise). If you go the other way, as you screw the pieces together, the tape is pushed back and does nothing. I have used pipe dope but only for low pressure systems like gas lines, I'm not sure it works in high pressure systems but that's from lack of use.

    Wayne

  10. #10
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    Default Re: Is there a trick to sealing threaded PVC??

    Quote Originally Posted by cruzmisl View Post
    I think I'll try this.

    http://www.oatey.com/apps/catalog/in...hite%20PJC.pdf

    seems safe. Hopefully it works well.

    Joe

    Hope by now you sealed the leak. Please repost what you used and where you got it. The link doesn't open.
    Thanks,
    Mike
    This is my ticket for Heaven (when all's working..) :

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