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    Sallyg1's Avatar
    Sallyg1 Posts: 2, Reputation: 1
    New Member

    Sep 13, 2018, 01:47 PM
    Ball valve
    I installed a pump under my laundry tubs, when it turns on to drain the waterfrom my washing machine into my waste line, my bathroom sinks gurgle and my toilet bubbles. Can I install a ball valve anywhere on that line to slow the waste water flow down
    massplumber2008's Avatar
    massplumber2008 Posts: 12,776, Reputation: 1210
    Senior Plumbing Expert

    Sep 13, 2018, 06:17 PM
    Hi Sally

    A ball valve won't do anything here. The system is starving for air and is stealing it wherever it can (sink and the toilet).

    What exact laundry pump did you install (model number and manufacturer please)? Most of these pumps require a dedicated vent (and not a mechanical vent, a dedicated, individual vent), so need more info. OK?

    Back to you...

    talaniman's Avatar
    talaniman Posts: 53,859, Reputation: 10852

    Sep 14, 2018, 01:41 AM
    Why do you even need a separate pump to drain your washing machine?

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