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    joshelton's Avatar
    joshelton Posts: 4, Reputation: 1
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    #1

    Apr 24, 2008, 11:59 AM
    Replacing Shut off valve on PVC
    My water line going to the dishwasher was leaking so I replaced it. Now I've figured out that the shut off valve is leaking at the nut that goes over top of the PVC pipe. I bought a replacement valve but can't figure out how to get the old one off the PVC pipe. I'm assuming it has glue/cement inside holding it on. How can I get that off?

    Thanks!
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #2

    Apr 24, 2008, 12:42 PM
    Quote Originally Posted by joshelton
    my water line going to the dishwasher was leaking so i replaced it. now i've figured out that the shut off valve is leaking at the nut that goes over top of the PVC pipe. I bought a replacement valve but can't figure out how to get the old one off the PVC pipe. I'm assuming it has glue/cement inside holding it on. how can i get that off?

    Thanks!
    Does your shut off valve look like this? (see image)
    joshelton's Avatar
    joshelton Posts: 4, Reputation: 1
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    #3

    Apr 24, 2008, 12:43 PM
    Nope, it's straight. The water would be going straight through and the turning thing is on the side.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #4

    Apr 24, 2008, 12:51 PM
    Is it metal or plastic? How about this one?"(see image)
    joshelton's Avatar
    joshelton Posts: 4, Reputation: 1
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    #5

    Apr 24, 2008, 12:56 PM
    The shut off valve is metal. The guy at Lowe's gave me the new one to replace it with that has a piece of PVC coming out of the metal part that I'd insert into the supply PVC and cement together, then the nut screws back on that. Seems pretty easy, but I just can't figure out how to get the old one off.
    joshelton's Avatar
    joshelton Posts: 4, Reputation: 1
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    #6

    Apr 24, 2008, 01:24 PM
    It looks like this... and I've drawn a dotted line to show where the new one has the inner pvc that I'm supposed to glue to the existing pipe.
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    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
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    #7

    Apr 24, 2008, 01:56 PM
    If I understand you right...

    We don't use pvc for water anywhere around here that I know of... CPVC... but not pvc.

    But if you are sure you have pvc pipe there...

    You just need to CUT the old pvc pipe/nut off (use hacksaw) and then prime/cement the pvc adapter with nut onto cut pipe.

    Let dry as directed on cement can and then install/tighten (use two pair pliers... hold against yourself).

    That sound reasonable.. Let us know... Mark
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