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    Heatherk's Avatar
    Heatherk Posts: 2, Reputation: 2
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    #1

    Nov 15, 2007, 07:32 PM
    Washing Machine Drain Line
    Is it OK to use an 1 1/2" drain line if I have plenty of slope? Under the house it is 1 1/2" that I have to tie into. How far away is the max for the vent pipe?
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #2

    Nov 15, 2007, 07:50 PM
    In a case of have to a 1 1/2 pipe will work if that is all you have to tie into but if you are getting an inspection you may have to use a 2 inch line. The trap needs to be within 30 inches of the vent pipe.
    Heatherk's Avatar
    Heatherk Posts: 2, Reputation: 2
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    #3

    Nov 15, 2007, 08:53 PM
    Quote Originally Posted by letmetellu
    In a case of have to a 1 1/2 pipe will work if that is all you have to tie into but if you are getting an inspection you may have to use a 3 inch line. The trap needs to be within 30 inches of the vent pipe.

    I thought the standard is 2" not 3". Maybe I misunderstood your answer.

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