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    djj0211's Avatar
    djj0211 Posts: 1, Reputation: 1
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    #1

    Jul 16, 2012, 03:17 PM
    Do I need to vent my washer plumbing?
    I have a front loading washer on a pedestal. The nearest vent is about 15ft. Away up two steps into my kitchen. Do I need to vent the actual plumbing at the washer? I overflows at the drain sometimes?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jul 16, 2012, 05:42 PM
    Hi Djj0211

    Yes, you need a vent to be installed within about 3-5 feet of the washing machine drain PTRAP.

    You can connect an 1.5" vent within the 3-5 feet and run that vent to connect into the existing vent (best job), or if permissible in your area, you can install a mechanical vent (called an AAV or air admittance valve)... see image. The AAV would be installed right at the PTRAP.

    That make sense?

    Mark
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