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I need to put an adapter onto a ball valve at the end of a supply line. Do I need to shut the water off to the whole line?

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  • Does it required soldering?
    – Ack
    Mar 22, 2020 at 17:40
  • Yea....attaching the adapter to go to the new bathroom. Going from copper to pex
    – Scott
    Mar 22, 2020 at 18:22
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    The pipe were you are soldering can't have water in it as it will absorb the heat and prevent a good (or any) connection. As long as your section of pipe is water free then you are good to go.
    – Ack
    Mar 22, 2020 at 18:26

2 Answers 2

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The ball valve can, I assume, shut off the flow where you need to attach the adapter. In that case just close the valve, attach your adapter, and proceed.

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There are other options, one is to get a “pipefreezer”, a kit that freezes a section of pipe allowing you to work on the free end.

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