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

    Oct 12, 2006, 09:36 AM
    Cast Iron Lead sealed plumbing
    I have an older home that has a vented stand cast iron plumbing (4-6" diameter), and the joints are sealed with lead. I need to rotate one tee joint (runnuig vertically). Do I have to heat the lead to a molten state to allow rotation? I have never worked with lead sealed pipe and while this seems logical, I just want to check with someone who has the experience. Thanks.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
     
    #2

    Oct 12, 2006, 10:08 AM
    Quote Originally Posted by lobsterking
    I have an older home that has a vented stand cast iron plumbing (4-6" diameter), and the joints are sealed with lead. I need to rotate one tee joint (runnuig vertically). Do I have to heat the lead to a molten state to allow rotation? I have never worked with lead sealed pipe and while this seems logical, I just want to check with someone who has the experience. Thanks.
    " Do I have to heat the lead to a molten state to allow rotation?"
    No, although that would do it. When I am faced with this problem I get a purchase or leverage to where I can start to rotate it back and forth to loosen the lead seals. Just rock the tee back and forth and it will go a little farther each time. When it reaches the desired position you will have to recaulk the lead joints. Good luck, Tom

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