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Thread: bathroom drains

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  1. #1

    Default bathroom drains

    yes I have a question I need to replace some cast iron drain pipe in my
    bathroom . Would you recomend doing it from under the house or go through
    the floor as it needs to be replaced also. I have done alot of repairs but this is the first time for this can i replace the cast elbow with PVC thank you
    for your help

  2. #2


    What size pipe are you talking about, most bathroom sink and tub drains would be galvanized not cast.

  3. #3

    Default drains

    the size is 4in

  4. #4


    Yes you can replace it with PVC. We don't have enough of information do you have basement or a crawlspace, if it is a crawlspace how big it is?

  5. #5

    Default bathroom plumbing

    yes to answer a question from cookie,I have a small crawl space but I
    am going to tear out the floor and wall to do it right .and start over.


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