Plastic drain valve on Whirlpool flamelock

The Tank Plastic drain valve on Whirlpool flamelock

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  • #12964
    kegunder
    Participant

    My water heater has a plastic drain valve that I’d like to use to get it flushed. Its been about 3.5 years since installation. Aside from the white circular handle on top, there is a black threaded piece at the center of the handle. It says on the handle “Open -> with 1/4 ” screwdriver”.

    What is this about? I loosened the center piece about 2 revolutions and loosened the handle but the tank didn’t drain much. Just some dribbles onto the floor, nothing out the hose. So, I tightened it up and came here to ask.

    Is the black piece in the center a lock?
    How many turns are needed to open the valve?

    #12970
    Randy Schuyler
    Keymaster

    You shouldn’t be much surprised if hardly anything comes out no matter what. Plastic drain valves have very small orifices that clog easily with sediment. Think about replacing it with a ball valve.

    Randy Schuyler

    #12972
    kegunder
    Participant

    I got it working with a little more patience. The white “handle” part unscrews completely off, with a washer underneath. The black center part controls the valve.

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