+ Reply to Thread
Results 1 to 10 of 20

Hybrid View

  1. #1
    Join Date
    Jan 2008
    Posts
    9

    Default Old copper joint

    I have a old copper t-joint behind my hot water heater that has a small leg that comes off for the top of the water heater. The pipe has developed a small leakat the top of it. It only leaks about 2-3 drops a day but it has been going on for awhile since there is some calcium built up on the outside of the line. I know I will have to drain the tank to move it and I will have to drain the lines. What I need to know is can I unsolder the pipe that is leaking and clean the joint and put a new piece of pipe in. The part that is leaking is only 12 inches long. The other 2sides of the joint is ok plus one goes through a wall and would be very hard to repair.

  2. #2
    Join Date
    Aug 2007
    Posts
    443

    Default Re: Old copper joint

    If the leak is THAT small (one or two drops a day), then you might want to try to clean the joint with emery cloth or a steel brush and wrap it very tightly with black electrical friction (plastic) tape.

    Use the best quality black tape you can find (3M is preferred); good quality tape will stretch without breaking as it is wound around the joint, thus getting a good seal.

    The minerals & salts in the water will usually seal up that small a leak without having to do a tank drain and re-solder to the joint.

    If you DO have to re-solder, you can clean and use the present copper tubing after it is cleaned to a shiny copper sheen with the emery cloth.
    Last edited by JacktheShack; 01-25-2008 at 02:04 PM.

  3. #3
    Join Date
    Jan 2008
    Posts
    9

    Default Re: Old copper joint

    Thanks I will try that. I know it is a small leak. I just didn't want it to get worst while I was not at home because it has been going on for a while by the amount of calcium on the copper tubing.

  4. #4
    Join Date
    Nov 2007
    Location
    Sand Springs, OK
    Posts
    467

    Default Re: Old copper joint

    I don't think you can unsolder a joint. I think even the experts just cut back below the leak and put in two sleeves and a length of pipe. As we saw on ATOH last night don't skimp on the guage of the pipe if you do replace that area.
    Debby in Oklahoma

  5. #5
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,836

    Default Re: Old copper joint

    Quote Originally Posted by debbysewn View Post
    I don't think you can unsolder a joint. I think even the experts just cut back below the leak and put in two sleeves and a length of pipe. As we saw on ATOH last night don't skimp on the guage of the pipe if you do replace that area.
    Yes you can un-solder a joint if it is drained and dry. The problem is that it takes a lot of work to remove enough of the solder so the pipe will fit in a new T. It's easier, faster, and more cost effective to cut it out and add a new piece of pipe and a sleeve.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  6. #6
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Old copper joint

    Quote Originally Posted by JLMCDANIEL View Post
    Yes you can un-solder a joint if it is drained and dry. The problem is that it takes a lot of work to remove enough of the solder so the pipe will fit in a new T. It's easier, faster, and more cost effective to cut it out and add a new piece of pipe and a sleeve.
    Jack
    Ditto to what Jack said.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •