Pipe Size for new Bathroom

Discussion in 'Remodel Forum & Blog' started by nelsonba, Oct 17, 2005.

  1. nelsonba

    nelsonba Member

    Joined:
    Sep 28, 2005
    Location:
    Minnesota
    I am adding a 2nd bathroom on the top floor of my house and I'm wondering what size PEX to run for the supply lines. I will be tapping into 3/4" galvanized Pipe right after the water heater. The total pipe length will end up being 30-50'. I'll be installing a toilet, sink, and shower.
     
  2. Terry

    Terry Administrator Staff Member

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    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
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  4. nelsonba

    nelsonba Member

    Joined:
    Sep 28, 2005
    Location:
    Minnesota
    How far from the fixtures should the branches start?
     
  5. Terry

    Terry Administrator Staff Member

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    Occupation:
    Plumber
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    Bothell, Washington
    You can manifold them, or branch out in the wall.
     
  6. Kristi

    Kristi Tradesman Plumber

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    Jan 27, 2005
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    Tradesman Plumber
    Location:
    Vancouver, BC
    you would run the main 1/2" hot and 3/4" cold all the way to the bathroom, and branch off for the first fixture, then the next, then the next :)
     
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