Bathroom H/C supply question.

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by beachfront71, Jan 16, 2011.

  1. beachfront71

    beachfront71 New Member

    Jan 15, 2011
    newport beach, ca
    Hello and thanks. We are turning a bedroom into a bath and it is located at one end of the house away from all the other plumbing fixtures (kitchen, other baths, etc.)

    There was an older radiant heating unit in this room and which had 1/2 Hot and Cold copper running to it but was hooked up to a solar water heater that is no longer here.

    The location of this pipe is almost perfect and I am wondering how many fixtures I could run off of this (if any) knowing that the nearest 3/4 line is a good 20 feet away.

    The bathroom will have 2 sinks, tub, toilet, and shower w 3 seperate valves..

    Is it feasable to use this pipe or should I scrap it all together and just have new pipes run with the drains..

    Again, appreciate the feedback
  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    If you do not mind having "very poor volume" in the new bath use those lines, otherwise replace them.
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  4. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    I also don't believe you can use heating pipes for potable water. Any inspector would want to see new pipes for new water.
    It spells that out in the code book.

    For what you plan, 3/4" pipe, and only two fixtures on 1/2"
    Last edited: Jan 16, 2011
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