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    BillyRay Stephens's Avatar
    BillyRay Stephens Posts: 5, Reputation: 0
    New Member
    		  
    #1

    Dec 20, 2006, 10:11 AM
    Dwv plumbing layout
    I am building a custom home and I'm wanting to know how many fixtures can share the same vent?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Dec 20, 2006, 11:42 AM
    This depends upon the size of the vent pipe and how many fixture units you're installing on it. For instance, On a 3" vent, 30 fixture units with not over 6 water closets may be installed. A typical bathroom group consisting of a toilet, lavatory and tub/shower is 6 fixture units.
    Let me know the size of the vent and the fixtures that will be using it and I'll let you know it will work by code. Regards, Tom
    BillyRay Stephens's Avatar
    BillyRay Stephens Posts: 5, Reputation: 0
    New Member
    		  
    #3

    Dec 20, 2006, 02:42 PM
    Thanks Tom, I am building a custom home with shower.roman tub, toilet & two lav's in the master bath. I just wanted to make sure that a 2" vent stack would be suffice.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Dec 23, 2006, 07:49 AM
    Hi Billy,
    "I am building a custom home with shower.roman tub, toilet & two lav's in the master bath."

    You may connect up to 10 fixture units on a 2" stack vent.
    shower=2 units
    tub=2 Units
    Toilet5=4 Units
    Lavs= 1 unit @ for 2 Units
    It all adds up to 10 fixture units. You're OK ta g!
    Regards, Tom
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