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    D12jacks's Avatar
    D12jacks Posts: 1, Reputation: 1
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    #1

    Sep 14, 2014, 03:40 PM
    Plumbing Questions Answers
    What is the proper pitch for sewer drain in house?
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #2

    Sep 14, 2014, 04:18 PM
    Hello D12jacks,

    For sewer and drain pipes up to 3" in diameter, it is 1/4" per foot
    For 4" pipe, it is 1/8" per foot

    Hope that helps

    Milo

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