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    gb4545's Avatar
    gb4545 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Apr 2, 2008, 01:36 PM
    Trouble changing shut off valve
    Im trying to change out a shut off valve on my toilet. All it does is turn, is this stripped? Or is some kind of compression valve?

    Thanks for any help
    amricca's Avatar
    amricca Posts: 851, Reputation: 92
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    #2

    Apr 2, 2008, 01:40 PM
    Yes, it is a compression valve. Turn both nuts in opposite directions.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #3

    Apr 2, 2008, 04:46 PM
    Hi guys:

    I think Amricca nailed it... Does your valve look anything like my pictures below?

    If so, like Amricca suggested... hold the valve body with one wrench and loosen the chrome nut (turn nut clockwise) using a pair of pliers. Then replace with new shutoff. With any luck you can use the old compression nut/compression sleeve.

    If we are on track here, you will need to purchase a (5/8" compression x 3/8" compression) angle (or straight) chrome plated shutoff. Also add a 3/8" compression x 12" braided closet riser and maybe a new chrome flange to finish (comes split plastic if lucky! ).

    If we missed it...let us know more about that shutoff....there are many choices out there... ;)
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    gb4545's Avatar
    gb4545 Posts: 2, Reputation: 1
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    #4

    Apr 2, 2008, 07:19 PM
    Yea that was right on. Thanks for the help. I actually just tightened it up for tonight, since I bought the kind that screwed on. Leak has stopped for now..

    Thanks again
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
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    #5

    Apr 2, 2008, 09:00 PM
    Don't forget to shut off the water to the house, otherwise you will have fun with water coming from the line, listen to Massplumber he is the expert.
    gcnmom's Avatar
    gcnmom Posts: 1, Reputation: 1
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    #6

    Mar 2, 2013, 09:01 PM
    Ok - I hope people still monitor these threads! I am trying to replace the shut off valve but the parts are stuck together - the base nut and the center piece will not turn independent of each other. I have tried 2 wrenches, wd40, liquid wrench is soaking on there but I don't have much faith. Any suggestions
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #7

    Mar 6, 2013, 10:58 PM
    Gcnmom

    What size pliers or crescent wrenches are you using? You may need larger tools (gives greater leverage) to get the job done!

    Mark
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #8

    Mar 7, 2013, 06:25 AM
    Quote Originally Posted by gcnmom View Post
    Ok - I hope people still monitor these threads! I am trying to replace the shut off valve but the parts are stuck together - the base nut and the center piece will not turn independent of each other. I have tried 2 wrenches, wd40, liquid wrench is soaking on there but I don't have much faith. Any suggestions
    Are you sure that it is a compression fitting and not soldered on? Some soldered fittings look like a compression fitting.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #9

    Mar 7, 2013, 03:09 PM
    If not sure, check out post #3 in this thread to see what they look like... ;)
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