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  1. #1
    Join Date
    Mar 2008
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    Maine
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    Question Replacing plumbing do I need to shut water off?

    Hi, I bought a 1820 Farmhouse that had some pretty shifty work done on the plumbing. My question is when replacing the plumbing going out, do I have to turn off the water. I am not replacing the plumbing from the well to the sinks/tubs. And is it better to use 3" or 2" pipe. It is the correct plastic pipe now, but it is a 1/2" and is causing a backup in our dishwasher. The washing machine drain is 3", and goes to 1/2" to drain into the seperate water well/grey water. Our piping is shaped like a "V" forcing our washing machine, sink, and tub water to follow 1/2" pipes one way filling up our dishwasher, then comes back and goes out to the water well/grey water. This is the plumbing I am going to fix and make one long pipe and connect each item to it.

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
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    5,560

    Default Re: Replacing plumbing do I need to shut water off?

    I think you're talking about the drain lines and 2" is waht is required for modern washing machines.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #3
    Join Date
    Mar 2008
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    Maine
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    Question Re: Replacing plumbing do I need to shut water off?

    Thank you!! Do I need to shut the water off?

  4. #4
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,560

    Default Re: Replacing plumbing do I need to shut water off?

    No, not to replace a drain line, just don't run the dishwasher, sink, or washing machine while it's disconnected.
    Jack
    Last edited by JLMCDANIEL; 08-22-2008 at 12:28 AM.
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

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