Have you ever seen valve pipe get cut like this?

Discussion in 'Shower & Bathtub Forum & Blog' started by pman6, Jul 29, 2018.

  1. pman6

    pman6 Member

    Feb 8, 2012
    Los Angeles
    I changed a Mixet valve today, and was surprised to see a cut in the pipe thread.

    Maybe the previous homeowner cut it, or maybe the plumber back in 1966 made a mistake?
    or did mixet valves come like this?

  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    That slot was for a "moon" shaped clip that prevented the stem from rotating 360 degrees. IF you tried to remove the stem without removing the clip you would break the front of the valve off.
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