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-   -   How to do copper tubing union (https://www.askmehelpdesk.com/showthread.php?t=528935)

  • Nov 25, 2010, 09:32 AM
    daddicus
    How to do copper tubing union
    How to get the little collar over the tubing? Tight fit.
  • Nov 25, 2010, 09:42 AM
    ballengerb1

    Fresh from the factory the fit is generally snug but fine. Bumps and dents in the store can put the tubing out of round a bit but my guess is a tubing cutter was used and that sqeezes the tip, it needs to be reamed. If you used a cutter the reamer is the small triangular thing that sticks out of the side of most cutter. Shop tubing cutter at Lowes.com
  • Nov 25, 2010, 10:03 AM
    feroluce
    When you heat the collar it expands.
    You then slide it over the tubing.
    It then cools and contracts, giving you a tight seal.
  • Nov 25, 2010, 11:39 AM
    massplumber2008

    Feroluce...

    Are you suggesting they heat the union fitting first, let it cool and then install it to the tubing? If so, that is not the way it is done, OK?

    Balengerb1 covered installation very well.

    Any questions, let us know...

    Mark
  • Nov 25, 2010, 12:54 PM
    speedball1

    By the term "copper tubing" do you mean hard copper pipe or soft copper tubing? Back to you, Tom
  • Nov 26, 2010, 02:55 PM
    feroluce
    Massplumber,
    No that isn't what I was suggesting, What I was suggesting is what I said, I find communication works better that way.
  • Nov 26, 2010, 04:16 PM
    speedball1

    Mark,
    I think he was suggesting heating the ferrule and slipping it over the tubing.
    Quote:

    What I was suggesting is what I said, I find communication works better that way.
    Kind of snooty in his reply but how would that ever work on a Piece of out of round copper? Doesn't make much sense to me and running copper water pipe was the phase of plumbing that I liked best, Regards, Tom

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