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    ebaut001's Avatar
    ebaut001 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 24, 2006, 10:30 AM
    Running water lines to 2nd floor
    Hello,

    I would like to put in a 2nd full bath on the 2nd floor of our cape cod. Currently, there's a 4" cast iron DWV that runs up a channel to the 2nd floor and then vents out to the roof. I was wondering whether it is possible to use flexible copper tubing to run the water lines up that same channel as oppose to busting a wall to install solid copper piping. If it is possible, will it be consider within code to do so. Also if I can do this, do I need to use a bigger diameter pipe beyond 1/2 inch.

    TIA
    ebaut001's Avatar
    ebaut001 Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Nov 25, 2006, 09:26 PM
    Instead of solid copper piping I meant to say rigid copper piping.

    Quote Originally Posted by ebaut001
    Hello,

    I would like to put in a 2nd full bath on the 2nd floor of our cape cod. Currently, there's a 4" cast iron DWV that runs up a channel to the 2nd floor and then vents out to the roof. I was wondering whether it is possible to use flexible copper tubing to run the water lines up that same channel as oppose to busting a wall to install solid copper piping. If it is possible, will it be consider within code to do so. Also if I can do this, do I need to use a bigger diameter pipe beyond 1/2 inch.

    TIA
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Nov 26, 2006, 04:06 AM
    Running byour supplies up the same chase as a stack vent is acceptable.If you have a standard three fixture bath, (toilet, lavatory and tub/shower) 1/2" will work as long as they are taken off a 3/4" main. Good luck, tom
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