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    throttlematch1's Avatar
    throttlematch1 Posts: 1, Reputation: 1
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    #1

    Feb 27, 2006, 05:35 PM
    Basement plumbing
    I have a basement I want to finish were the plumbing is roughed in. They have 4 drain pipes in a row. One is 3 inches, two are two inches and one is one and a half inch. I figure one is for a shower , one is for a sink one is for the toilet, but what is the one and a half inch pipe for?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Feb 28, 2006, 05:00 AM
    Quote Originally Posted by throttlematch1
    I have a basement I want to finish were the plumbing is roughed in. They have 4 drain pipes in a row. One is 3 inches, two are two inches and one is one and a half inch. I figure one is for a shower , one is for a sink one is for the toilet, but what is the one and a half inch pipe for?
    Good question. Can you contact the plumbing company that did the job and ask them? I would say it's some sort of a vent except that we use the lavatory vent to service the group. But perhaps the plumber didn't have a choice so until you hear different I'm going to go along with a vent. Regards, tom
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