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Thread: Shower leak, now pressure issues (Delta monitor)

  1. #1
    DIY Junior Member jlup's Avatar
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    Question Shower leak, now pressure issues (Delta monitor)

    For the past month now, my shower head has been leaking. (I know it is not the actual shower head leaking, but the system itself).

    So after reading forums and going to home depot, they all recommended replacing the springs and seatings on the cartridge. I turned off the water, unscrewed the handle, took off the metal casing, using a strap wrench to get the brass bonnett off, and took out the cartridge. I then took out the two little rubber seatings and the springs, and replaced them with the new ones I bought at Home Depot.

    After putting it back together, I turned off the water, and voila, no leak. However when I turned the water on, it just starting flowing down, in one stream down from the shower head (like a sink faucet). AKA 0% water pressure

    Anyone know why this is happening / have anything that could help!?

    Thanks!!!

  2. #2
    Moderator & Master Plumber hj's Avatar
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    The most likely reason is you did something to "screw up" the balancing spool. I NEVER "replace the springs and washers" in a Monitor valve. I take the cartridge out and replace IT.
    Licensed residential and commercial plumber

  3. #3
    DIY Junior Member jlup's Avatar
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    Thanks for your quick response hj,

    I was worried I might have messed up the cartridge, too. I have another shower in my house with the same cartridge, so switched them for testing...and unfortunately got the same result. Actually, this time barely any water poured out at all..

    any thoughts?

  4. #4
    Moderator & Master Plumber hj's Avatar
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    In that case check the shower head, and maybe a screen where it screws on to the shower arm. When a Monitor valve does not have any water, it is either because the balancer is defective, which changing the cartridge would have cured, or no hot and/or cold water to the valve, or a plugged shower head. Any one of these will give the symptoms you describe, and therefore, we cannot tell you which one applies to your situation.
    Licensed residential and commercial plumber

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