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    electromechanic's Avatar
    electromechanic Posts: 26, Reputation: 1
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    #1

    Jun 20, 2009, 07:18 AM
    Supply Line Size- 3 Full Baths
    What size supply line is required for 3 Full Baths. We are on City(St. Louis) water supply.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #2

    Jun 20, 2009, 08:07 AM
    Will this be a residential or commercial installation? Will the baths be in use at the same time? Any more details to give us? Tom
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
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    #3

    Jun 20, 2009, 08:42 AM

    I would not go smaller than 1" main run with 3/4" branches for each bathroom. Hot water not smaller than 3/4".
    electromechanic's Avatar
    electromechanic Posts: 26, Reputation: 1
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    #4

    Jun 20, 2009, 11:16 AM

    Reisdential. Wife, two teens, yes, they will most likely be in use at the same time. We currently have 1 full bath and half bath in basement. The plan is to in$tall a full bath in the first floor and a 2nd floor laundry, the wife was concerned about me lugging the laundry from the basement. I'm sure the half in the basement will become a full.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #5

    Jun 20, 2009, 02:35 PM
    My area runs a size smaller then Milos but if they're going to be used at the same time I'd go with his sizing. Good luck, tom
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