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    kags's Avatar
    kags Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 8, 2010, 07:43 AM
    Sizes of pvc drainage pipes
    I would like to know all the sizes of commonly used drainage pipes in terms of diameter.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jan 8, 2010, 07:56 AM

    What are you asking? The size drain for each fixture? The entire drainage layout for the house?
    Most secondary fixtures such as the shower, sinks and tub use 2" I(D pipes while a toilet and the house sewer main will take 4" ID pipes. Is this what you're asking? Tom
    radio243's Avatar
    radio243 Posts: 1, Reputation: 1
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    #3

    Mar 30, 2013, 01:49 PM
    Basically, yes... need to know if kitchen drain pipe is same... 2" or larger.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Mar 30, 2013, 02:38 PM
    2" for drain today; depending on age of house may be 1 1/2" and in some very old houses ,
    1 1/4". P trap is 1 1/4" or 1 1/2".
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