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My 20-year-old toilet with a 1-year-old anti-siphon valve which worked fine, now has a problem. After flushing, as soon as the tank begins to fill, it stops, starts, stops, starts, stops, starts over and over until the tank is finally full. Once it's full, it shuts off and stays off until the next flush. We're on naturally soft city water, and I don't think sediment could be clogging anything.

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  • Master
  • 979 Answers

Sounds like the valve in it has gone bad. I am not as familiar with this particular part.

Posted on Jan 30, 2013

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Posted on Jan 02, 2017

  • 33 Answers

SOURCE: Gmax flushing system won't stop

WATER LEVEL IS NOT PROPERLY ADJUSTED. REDUCE WATER LEVEL TO FILL LINE

Posted on Jan 07, 2010

  • 54 Answers

SOURCE: valve to stop water from running

IF YOU HAVE A FLUIDMASTER BALLCOCK,AND IF THE WATER IS CONTINUING TO RUN ,YOU NEED TO ADJUST THE WATER LEVEL,MOST OS THE TIME ALL YOU HAVE TO DO IS OPEN THE TANK LID AND ON THE LEFT SIDE YOU'LL SEE THE BALLCOCK,AT THE TOP IT MIGHT HAVE A BLACK PIECE THAT YOU CAN SLIDE UP AND DOWN TO ADJUST THE WATER LEVEL,OR SOME HAVE A PIECE THAT LOOKS LIKE YOU CAN USE A PHILLIPS HEADS SCREWDRIVER,ALL YOU HAVE TO DO IS TURN IT A HALF OF TURN EACH TIME UNTIL THE WATER STOPS GOING INTO THE OVERFLOW TUBE ,WHICH IS USUALLY LOCATED IN THE CENTER OF THE TANK AND IT WILLBE 1INCH ROUND ,IT ALSO WILL HAVE YOUR FLAPPER OR BALL CONNECTER TO IT.

Posted on Apr 07, 2010

Testimonial: "The reply didn't describe what I found inside the tank completely accurately, but with what was said (and with a flashlight) I was able to fix it. THX"

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1 Answer

It takes a long time to fill the tank


There could be partial blockage of the water supply line causing a slow fill.

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Tip

How to fix a refill valve


  • Brass-style toilet refill valves can often be repaired. To take a valve apart, remove the lever's screws. This allows you to lift out the float arm and valve plunger. Check the flat rubber washer on the end of the plunger. If it's worn, you can pull it out with pliers and either turn it around or replace it. This procedure usually corrects an overfilling problem. Next, reassemble the valve. If the tank continues to overfill, check to make sure the operating lever at the end of the float arm is functioning properly.

  • New refill valve. To replace the entire refill valve assembly, first turn off the water supply. The tank should then be flushed and sponged out, as detailed previously. Remove the inlet nut and riser tube from the bottom of the refill valve beneath the tank. Hold the refill valve inside the tank with a padded locking plier/wrench to keep it from turning, and remove the nut beneath the tank. With the nut off, the refill valve assembly can be lifted out and a new one inserted in its place. Follow the exact instructions included with the unit you purchase.

  • Finally, reconnect the riser tube and turn the water on. The tank should fill, allowing you to adjust the water level according to the instructions that were included with the valve.

  • Anti-siphon valves. The best refill valves offer anti-siphon protection. In fact, this may be a requirement. This protection prevents back siphonage of toilet tank water into your home's potable water supply system if a vacuum occurs in the toilet's water supply system. Whether or not this is a code requirement, the anti-siphon valve is a good idea to protect your family and public health.

on Jan 16, 2010 | Plumbing

3 Answers

Flapper valve closes too quickly


Fill the breather hole (1/8" hole) inside the flapper.This is designed to let air out so the flapper will sink. Now it floats longer letting in more water. 25%percent more in my case.

Apr 22, 2012 | Home

1 Answer

I have an American Stadard Toilet that is only 2 years old. The toilet will not stop running. Could you give me some trouble shooting ideas?


There's a lot of variety in the works in the toilet tank. Assuming this is not a pressure-assisted toilet-----First understand the three valves are: 1. The shutoff valve - on the supply line coming into the toilet tank. 2. The fill valve - inside the tank, opens with the float descends, closes when the tank fills up. 3. The flush valve - inside the tank on the bottom. Common old style is a flapper on a pivot. Yours may operate straight up and down rather than on a pivot.
Three very common problems are---- 1. The chain that connects the handle to lift the flush valve is getting caught, not allowing the flush valve to close. 2. There is problem with the flush valve being able to get a good seal when it closes - could be debris or misalignment. 3. The fill valve is not closing when the tank is full, could need adjustment or there is debris preventing the valve to seat. . Here's are some steps to diagnose---- close the shutoff valve. Wait a few minutes as you watch the level in the tank. If the water level decreases, you have problem with the flush valve. To confirm the fill valve as the problem, turn the shutoff valve back on. Lift up on the float that is supposed to turn off the fill valve. If it shuts off, you should be able to adjust it - most have a +/- plastic adjustment screw. But if raising the float by hand only slows it down, you have problem with the seating of the fill valve - which can sometimes be cleaned, but more often would need to be replaced.
I hope this is helpful. Thanks for using FixYa.

Apr 02, 2010 | American Standard Home

1 Answer

Water continue to drip just a little after fill valve stops


Check the little tube the goes from the fill valve into the overflow tube. You NEED to have a good arch in the tube to prevent back siphon from the tank. If that doesn't work then check to make sure the flush valve flapper is completely seated without any of its port showing. If you see the slightest amount of the flush port then you need to replace the flapper. AS well as make sure none of the chain is getting siphoned into the port preventing the flush valve flapper from completely seating.

Mar 20, 2010 | Toto Toilets ST784S 12 Sedona Beige...

2 Answers

My Eljer toilet does not always flush completely. It is approximately 20 years old. I don't believe that it is a venting problem. I have dismounted, inspected and remounted the toilet and found nothing...


Not being a plumber by trade I don't want to bad mouth what your plumber had to say but there may be other things to consider.
If the toilet does not flush directly into the main drain there is the possibilty that the coupling between the main drain and the toilet drain is under-sized which could cause reduced water flow and your toilet not flushing completely.

Feb 26, 2010 | Eljer & Elongated Toilet Bowl

3 Answers

Gmax flushing system won't stop


WATER LEVEL IS NOT PROPERLY ADJUSTED. REDUCE WATER LEVEL TO FILL LINE

Jan 07, 2010 | Toto Drake Tank W/GMAX RH COTTON WHITE...

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PLUMBSHOP HUSHFLO #516 Toilet anti-siphon/valve replacement Kit- The tank continues to fill very, very slowly after shutting off. Can the valve be cleaned? I have sediment problems with grit in the...


Usually, there is a diaphram located at the needle valve that can be removed and cleaned and or replaced. If you know you have grit in the water, then you are right, that will cause problems with the fill valve not fully closing.

Mar 07, 2009 | Home

1 Answer

Toto Toilet - no water flow to refill tank after flush


Remove the tank lid and look at the fill valve. Is it a yellow valve?
This fill valve is common on the Toto Toilets and can easliy plug with debrie.

They can be disassmbled and cleaned. however, I usually just replace the valve with Fluid Master Fill valve.
You will also want to check the water coming into the toilet by turning off the water that supplies the toilet and disconnecting the water supply line. After removing the water supply line turn on the water at the valve to make sure that the water is flowing properly. Check the supply line also to make sure it is not plugged.
Be sure and place a small container to catch the water that will come from the valve. A towell will also help from making too much of a mess.
If the Supply line and the valve are clear the problem is in the fill valve.
The G-Max system denotes the Flushiing system which is a 3" flapper that allows the water from the tank to flow into the bowl quicker.
Good Toilets!

sanray

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