Shower w/ 3 divertor valves

Discussion in 'Shower & bathtub Forum & Blog' started by auldyin, Sep 28, 2011.

  1. auldyin

    auldyin New Member

    Messages:
    1
    Location:
    new westminster bc canada
    can any body tell me the if using a shower setup with 3 divertor valves above a standard roll rim tub is permissable two diverters are for shower heads and a centre diverter is for tub filling,what would the drain requirements be is a 1.5" tub fixture drain enough, could a tub even be used or would a floor drain be required .thanks.
    Last edited by a moderator: Sep 28, 2011
  2. johnfrwhipple

    johnfrwhipple Bathroom Design & Build - North Vancouver, B.C.

    Messages:
    4,141
    Location:
    North Vancouver, BC
    Auldyin you should be fine with your set up as described. You could have 10 divertors above your thermostatic control valve and you would not get any more water out of it. If you had a second thermostatic control valve for say a rain head and the other for a hand held and the tub filler you would then get to much water I think for the 1 1/2" drain line.

    Most tub's here in Vancouver that we find in high rises are piped with 1 1/2" copper overflows and ptraps. Make sure it stays clean.

    If you have the ability to upgrade the ptrap and overflow to a 2" line you will love the drain rates. My daughter's tub is plumbed like this and works great!

    JW
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,631
    Location:
    Cave Creek, Arizona
    If they are being used with a bathtub, ALL you can use is a 1 1/2" drain, but since you only have a single valve, it will be more than adequate.
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