New low water pressure, and only luke warm water

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    • #276756
      MasterPlumbers
      Keymaster

      A week or so ago, I noticed a drop in water pressure in one shower. I got a new shower head, no effect. I took the head off of the other shower to see what the water pressure should look like without a shower head, and the pressure is at least 2x that of the problem shower. All other faucets are fine.
      About the same time, I noticed that the water in that shower would only get luke warm. Even with no cold water turned on.
      I don’t now if the 2 things are connected or not.
      Any ideas?
      Thanks
      Stacy

    • #294730
      nicktheplumber
      Participant

      You probably have an obstruction in the shower mixer/diverter valve. Shut off the water, disassemble, and clean the valve, replacing all the gaskets. If that doesn’t work, you may have an obstruction in the supply pipes to the shower valve, though such a problem usually doesn’t develop suddenly.

      NtP

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