Possible reasons a mixet valve would shoot out of the socket?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by pman6, Jul 9, 2013.

  1. pman6

    pman6 New Member

    Messages:
    11
    Location:
    los angeles
    I had this fixed a while ago, but didn't get an explanation why it happened.
    Tenant told me the valve and knob shot out of the wall for no reason.
    I measured the water pressure to the house and it's 70psi.

    What could cause the valve to shoot out like this?

    [​IMG]
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,048
    Location:
    Cave Creek, Arizona
    The "ridge" on the locknut must have deteriorated because it holds the spacer washers and stem in place.

    [​IMG]
    Last edited by a moderator: Feb 25, 2014
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