Delta Monitor Question

Discussion in 'Shower & Bathtub Forum & Blog' started by jammin, Mar 18, 2006.

  1. jammin

    jammin New Member

    Mar 3, 2006
    I have just installed a Delta Monitor #1748 Shower/Tub valve and I was checking it out to prior to installing the tub surround. I have good flow when I turn on the hot water only, but if I turn on the cold water only and adjust the temperature knob to cold, I just get a dribble. Am I doing something wrong, or is it a bad valve? The o-rings and seats are installed correctly per the instructions.
  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    It sounds like the pressure balancing spool is stuck at one end. Sometimes you can take the cartridge and tap it against something to get it moving again.
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