Moen Posi Temp shower valve adjustment question

Discussion in 'Toilet Forum discussions' started by jgulley31, Feb 9, 2012.

  1. jgulley31

    jgulley31 New Member

    Feb 9, 2012
    I have a Moen posi temp shower valve, and the water just doesn't get hot enough anymore. The water temperature in the rest of the house is fine. I know that there is an adjustment that can be made, but my shower valve appears to be missing the key stop and temperature limit stop. I have two questions...1) Do I need to buy these parts and add them, and 2) will this help my problem?

    I have attached a picture showing what my valve looks like once the handle and the black plastic handle mount have been removed.

    Attached Files:

  2. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego
    The limiter is part number 106479. But with it missing, you should have the full range possible from your water supply, so I suspect you have a problem with the spool. Replace the positemp cartridge'
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