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Old 10-11-2013, 12:23 AM   #1
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Toilet fill valve spills water at top and emits bubbles when near filled


See attached photo of ballcock based fill valve with flapper.

On toilet filling near completion after a flush, I see that the top black part of the fill valve spills water outwards from the center. And at same time the fill valve opening near the bottom emits a series of bubbles before stopping.

I also hear a air hissing sound for a while.

Do all these indicate that the fill valve needs replacing? And why do these things happen together at the fill valve?
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Old 10-11-2013, 12:27 AM   #2
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Toilet fill valve spills water at top and emits bubbles when near filled


That thing is a dinosaur!
Replace it.

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Old 10-11-2013, 04:32 AM   #3
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Toilet fill valve spills water at top and emits bubbles when near filled


Replace it with a new Fluid Master flush valve.
Cost about $10.00 and takes all of 15 min. to replace.
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Old 10-11-2013, 07:02 AM   #4
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Toilet fill valve spills water at top and emits bubbles when near filled


The top of that valve can be removed by turning it. There are some rubber parts inside that can be replaced. We used to just flip the washer and get another few years of service out of them.
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Old 10-11-2013, 08:27 AM   #5
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Toilet fill valve spills water at top and emits bubbles when near filled


It'll get real interesting when that valve breaks off at the base from the pressure put on it from the float. The one I saw happen lifted the lid right off of the tank from the water pressure.
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Old 10-11-2013, 02:08 PM   #6
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Toilet fill valve spills water at top and emits bubbles when near filled


I just noticed the black top part may drip water periodically too. It doesn't do that all the time.

And sometimes I see the tank is not filled to the water line and has hissing air sound, sometimes it is filled to water line, never past it to the overflow though.

Guess it's time to replace. Though I wonder if I should replace with a FluidMaster or traditional ballcock float fill valve. Are the FluidMaster types adjustable in terms of water pressure/fill rate?

My house has some faint water hammer-ish issues (you can hear it but not loud) throughout the water connections in the house (kitchen, bath, etc.). It may be old pipes or not they're not strapped well. That particularly toilet, while the valve is dying, apparently does not result in the water hammer (because it slowly closes the supply or maybe doesn't fully close at all due to current issues). Another toilet that does have a FlushMaster does result in the water hammer noise.

I guess I'll find out when I replace this.
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Old 10-11-2013, 02:09 PM   #7
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Toilet fill valve spills water at top and emits bubbles when near filled


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Originally Posted by danpik View Post
It'll get real interesting when that valve breaks off at the base from the pressure put on it from the float. The one I saw happen lifted the lid right off of the tank from the water pressure.
danpik,

Is that kind of breakage susceptible only to ballcock fill valves and not the single piece FlushMaster type or those can have similar breakage issues too?
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Old 10-11-2013, 03:16 PM   #8
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Toilet fill valve spills water at top and emits bubbles when near filled


That plastic style of ball float valve is a pretty low cost unit. To understand the leverage put on the base, simply lift the float to the top and gently push it higher. You will see the base bend. Over time the constant bending weakens them. Fluidmaster floats keep the pressure even.
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Old 10-11-2013, 10:43 PM   #9
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Toilet fill valve spills water at top and emits bubbles when near filled


just replace the whole toilet and be done with it.
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Old 10-12-2013, 01:42 PM   #10
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Toilet fill valve spills water at top and emits bubbles when near filled


Could you get the pressure of your incoming water at a hose bibb?
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Old 10-12-2013, 03:37 PM   #11
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Toilet fill valve spills water at top and emits bubbles when near filled


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just replace the whole toilet and be done with it.
That is like when someone states they need their oil changed, or spark plugs changed out, to just go buy a brand new car.

The OP just needs to decide what they want to do with that fill valve assembly, and either rebuild or replace with either a Dual flush model, or standard model that looks like the old one.
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Old 10-12-2013, 08:51 PM   #12
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Toilet fill valve spills water at top and emits bubbles when near filled


People beat the heck out of themselves trying to save a dollar. I can only afford to do things once. I can get a brand new gerber viper toilet for 80 dollars. I am a cheap landlord and I have found it easier to just replace toilets. The op needs a full rebuild, his seals are toast, judging from the pictures
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Old 10-12-2013, 09:12 PM   #13
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Toilet fill valve spills water at top and emits bubbles when near filled


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Originally Posted by mj12 View Post
People beat the heck out of themselves trying to save a dollar. I can only afford to do things once. I can get a brand new gerber viper toilet for 80 dollars. I am a cheap landlord and I have found it easier to just replace toilets. The op needs a full rebuild, his seals are toast, judging from the pictures
Really. It only costs around $15 for this kit http://www.acehardware.com/product/i...ductId=1275840 Right there, that saves the OP $65 for a crap crapper.

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