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    wramer1's Avatar
    wramer1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 25, 2009, 05:57 PM
    Washing Machine Drain
    I have been told that I should not use a "P" trap in a washing machine drain line due to the water in the "P" trap being forced out when the washing machine dumps. But should use a "barrell" type trap.

    Any comments?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jul 25, 2009, 06:35 PM
    Hi Wramer1.

    If you have an individual vent or a mechanical vent associated with the washing machine drain then you will want to install a PTRAP.

    If you are in Maine or any other state that has similar codes then you can install a DRUM TRAP (barrel type) if you are within say 5 feet or less of a waste/vent stack.

    95% of states use the PTRAP and individual vents here... :)

    If you'd like more info. On how to pipe up a washing machine with vent and trap just let us know.

    MARK
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