Leak from toilet shutoff valve

Discussion in 'General Plumbing Help' started by Kissimmee, Apr 29, 2010.

  1. Apr 29, 2010 #1

    Kissimmee

    Kissimmee

    Kissimmee

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    Hi,

    I'm new here. I have a problem. I have a leaking from toilet shutoff valve. It only happens when flushed. It stops leaking when the water is full. Same thing happens in my other bathroom. It's odd to have same problem in 2 bathrooms. The thing is no one use water for several weeks. My condo is empty and is for sale. I wonder if the lack of water usage causes it?

    Any idea of how to fix it? Is there a screw to tighten at valve?
     
  2. Apr 29, 2010 #2

    phishfood

    phishfood

    phishfood

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    Is the valve leaking around the stem that the handle attaches to, or is it leaking from the nut that attaches the valve to the piping coming out of the wall? What type of piping is it coming out of the wall?
     
  3. Apr 30, 2010 #3

    havasu

    havasu

    havasu

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    I am also a bit confused as to where your toilet is leaking. I will tell you that when my vacation home isn't used for a month or two, my bowl loses water because of evaporation. If I open the tank of the toilet, the water will be sitting at it's normal high elevation. My only problem is that when I return after a long time, my floats will sometime get stuck fully elevated and I have to manipulate them a few times to get them working again. I've also learned that after a few years, I just replace the entire assembly, which is about $10.00 per toilet, and five minutes in labor.

    If your tank is losing water then you might be able to fix it just by reaching inside the tank, and removing the gunk on the bottom side of your flapper with your hand to get a good seal. If this doesn't work, you may need to purchase a new flapper.
     
  4. Apr 2, 2014 #4

    Carl399

    Carl399

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    Sounds like the seal at the base of the flush valve is leaking, try tightening the plastic nut on the bottom of the tank.
     

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