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    whodat62's Avatar
    whodat62 Posts: 1, Reputation: 1
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    #1

    Oct 25, 2014, 12:47 PM
    Plumbing drain line
    How long can a 2" drain line in the wall on new home construction be before reducing down to 1.5 inches at the santee?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    Oct 25, 2014, 03:57 PM
    Basically a 2" drain line should never reduce down. Use a 2" sanitary tee.
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