Change from 1/2 to 3/4 valve

Discussion in 'Shower & Bathtub Forum & Blog' started by Marty, Apr 7, 2005.

  1. Marty

    Marty New Member

    Messages:
    1
    I'm converting a bathtub to a shower only. The old valve is 1/2" but I'd like to install a 3/4" valve to improve water flow. Can this be done and will it make a difference or should I just stick to the 1/2" valve? The new shower unit will have a fixed riser and a handheld sprayer. The main pipes coming into the bath are 3/4".
    Thanks. :confused:
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,831
    Location:
    Cave Creek, Arizona
    3/4"

    Unless you are using special shower heads, they will be flow limited so the only advantage would be if it is also a tub filler in which case you would fill the tub faster.
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