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    alicecorinne's Avatar
    alicecorinne Posts: 1, Reputation: 1
    New Member
     
    #1

    Jul 15, 2008, 05:38 AM
    Water shut off valve
    I am replacing a water shut off valve. The compression valve I purchased says to NOT use plumber's putty however all "how to" pages I check say to always use putty or teflon tape. I am comfused as to what to do.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
     
    #2

    Jul 15, 2008, 06:04 AM
    Quote Originally Posted by alicecorinne
    I am replacing a water shut off valve. The compression valve I purchased says to NOT use plumber's putty however all "how to" pages I check say to always use putty or teflon tape. I am comfused as to what to do.
    You don't use either on a compression fitting, (see image) This is a metal to metal connection between the ferrule and the pipe. The threads on the nut do not hold pressure so no sealant's required. Good luck, Tom
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
    Ultra Member
     
    #3

    Jul 15, 2008, 08:59 AM
    Before you start replacing the Shut off valve make sure shut off the water upstream of the S/O Valve, good luck.

    Regards,
    John

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