Well water tank pressure valve leaking water????

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    • #276929
      cttr2

      Just noticed that there is a constant water leak coming from the bottom of the pressure valve on our 42 gal. galvanized water tank (old system, no bladder). What is causing this? Water pressure on all the water lines in the house seems fine. Is this something that needs immediate attention from a professional?? Help!!

    • #295049
      DUNBAR
      Participant

      Sounds like the valve needs to be replaced. Give more information about this valve.

    • #295050
      slick4
      Participant

      Valve sits about a third of the way up the side of the tank. Looks like it is connected into the tank via a small pipe. Has a Campbell (brand name) gauge head which shows the psi numbers, and sits upon a small rectangular shape body that has the numbers “F938-1” 100 psi max written on it. There appears to be a hex-head nut on the bottom of this “body”, and that is where the water is leaking from. I put my finger there and it almost feels like there is inside threading, it also stopped the leak until I took my finger away. I was unable to locate a missing piece on the floor, so don’t know if something just fell out of this nut.

    • #295051
      nicktheplumber
      Participant

      If the valve otherwise works fine, you could try removing it (shut off the pump and drain the tank, etc.), disassembling the connections to the tank, and then reassemble them with Teflon tape and Rectorseal #5 pipe dope.

      NtP

    • #295052
      slick4
      Participant

      Valve sits about a third of the way up the side of the tank. Looks like it is connected into the tank via a small pipe. Has a Campbell (brand name) gauge head which shows the psi numbers, and sits upon a small rectangular shape body that has the numbers “F938-1” 100 psi max written on it. There appears to be a hex-head nut on the bottom of this “body”, and that is where the water is leaking from. I put my finger there and it almost feels like there is inside threading, it also stopped the leak until I took my finger away. I was unable to locate a missing piece on the floor, so don’t know if something just fell out of this nut.

    • #295053
      DUNBAR
      Participant

      It sounds like a air volume control valve……..if so …..replace it…….shouldn’t be more than twenty dollars tops.

    • #295054
      GarySlusser
      Participant

      It’s your water pressure guage.

      They cost about $5 and you should be able to tape up a new one, remove the old one and install the new one without losing much water if you shut off the pump and drain some water off to relive the pressure in the tank until no more water exits a faucet. Or simply drain the tank down to the level of the guage.

      Gary
      Quality Water Associates

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