Question about Toto Promenade, 1.6 GPF, Elongated Two-Piece Toilet, Cotton - CST424SFG

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The water filling the tank does not turn off, it keeps running

After the tank fills to shut off point the water keeps filling the tank. The water goes into the overflow and does not turn off. It says on the back of the tank the water should shut off when the water reaches 1/2 inch from the over flow. How can I get the water to turn off where it is supposed to?

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It sounds like the fill valve is not operating correctly. Remove the fill valve which it the tall item inside the tank where the water runs through and replace it with a universal replacement part from your local hard ware store. Take the valve to the store so that you can get the proper replacement piece.

Posted on Jul 17, 2010

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Posted on Jan 02, 2017

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Water keeps filling in toliet even after full


hi Patricia.
Overview Toilets haven't changed much in the last 80 years. After a flush, water still fills a tank, lifting a float that shuts off the water when it reaches a certain level. A lever still opens a flapper to cause the flush, falling back into place when the water level drops. So it's no surprise (nor any consolation) that we face the same flush problems today that our grandparents did. Sometimes the flush is too wimpy, sometimes the toilet keeps running, and sometimes the bowl doesn't refill.
Our ace plumbing consultant has a simple four-step strategy to solve 95 percent of these problems. You can complete the first three steps in five minutes. That'll solve most problems. The fourth step is usually easy too, but not always. More on this later. These steps work for most toilets but not for pressure-assist models.
Check the fill tube

Overflow tube problem

Push the fill tube firmly onto the fill valve. Make sure the fill tube sends water into the overflow tube.Remove the tank lid and find the fill tube. It's a small flexible tube that runs from the fill valve to the overflow tube. While the tank refills, this tube squirts enough water down the overflow tube to refill the bowl after the completed flush. If this tube falls off or the water stream misses the overflow tube, the bowl won't fill and your next flush will be wimpy (that is, won't develop a strong siphon). Reattach the fill tube and make sure it perches about 1 in. above the rim of the overflow tube. Flush the toilet and watch the water stream to make sure it goes down the overflow tube.
Adjust the fill height

Check the float

Adjust the float to set the water level. Pinch the clip and slide the float up or down on the rod. Keep adjusting the float until the water shuts off at the proper level.The water level in the tank is controlled by an adjustable float. A float that's set too low produces a weak flush; if it's set too high, water spills into the overflow tube and the fill valve won't shut off. The toilet keeps running. Look for the fill level mark on the inside back of the tank and mark it on the overflow tube so you can see it more easily. If you can't find it, measure down about 1 in. on the overflow tube and make a mark. Then flush the toilet and see if the water reaches and stops at that mark. If not and the toilet keeps running, adjust the float up or down. If you have an old toilet, you'll have to bend the brass rod that connects to the float ball to make adjustments. But with newer toilets you usually turn a screw or slide a clip along a rod. Flush the toilet after each adjustment.
Also make sure that the water level is at least an inch below the C-L (critical level) marked on the fill valve. You can adjust the height of many valves to raise or lower the C-L.
Occasionally the fill valve simply won't shut off, which means that it's defective. If so, turn the water supply off at the shutoff under the tank. Buy a replacement valve (sold at hardware stores and home centers). You don't have to match the old one; many, like the one shown, fit most toilets. It's a 15-minute change-out.
Adjust the flush handle/flapper chain

Flapper chain fix

Adjust the chain to leave a little slack with the flapper closed. Then cut off the excess, leaving about an inch.A chain that's too short or tangled won't allow the flapper to close and water will continue to leak into the bowl. This causes the fill valve to cycle on and off to refill the tank. A chain that's too long, or a flush rod that hits the the tank lid, won't open the flapper wide enough to stay open for the full flush. You'll find yourself having to hold the lever to complete a good flush.
To avoid these problems, adjust the linkage in the chain to leave only a slight bit of slack when closed. Cut the chain at the rod to leave only about an inch extra to reduce the potential for tangles. Then put the tank lid back on and make sure the flush rod doesn't strike the lid when you press the lever. If it does, bend it down slightly and readjust the chain.
Replace the flapper

Change the flapper

Unsnap the old flapper and take it with you to the store to find an exact replacement. In addition to the closest replacement, pick up a "universal" type.If you've completed the first three steps and your toilet keeps running, chances are you have a worn-out flapper. Turn off the water, remove the old flapper and take it to the store to find an exact replacement. (Hardware stores often carry a wide variety.) Most flappers snap over ears on the overflow tube. Others have a ring that slips over the tube.
Now here's the catch. You may not find an exact match. The range of flapper styles has mushroomed over the last 15 years, and you may find 15 to 20 flapper options on the store shelf. Some packages include specific brand and model information (so note yours before you leave home). Others have a "universal" label. If you can't find an exact replacement, try the closest one and pick up a universal type as well. They're cheap, and the extra one just might save you a second trip to the store! (Avoid the "adjustable" types unless you're replacing an adjustable one.)
Install the new flapper and make sure it opens and closes freely. Then test it. If the toilet keeps running or runs intermittently, you're not getting a good seal. Try a different flapper if the toilet won't stop running.
If you just can't find a flapper that seals, consider replacing the entire overflow tube/flapper. On most toilets (two-piece), this means removing the tank. It's not difficult and you don't need special tools. It'll take you about an hour, and you'll avoid that expensive plumber service call.
if you go to this link it will show you step by step on how to fix it. How to Stop Running Toilet Family Handyman

Nov 27, 2017 | Home

1 Answer

Our WaterRidge toilet tank will not fill with water


This sounds like the float is getting stuck , while the toilet is trying to fill if you see the float ball that is attached to a arm that pivots , if you lift the float up it should turn the water flow off from trying to fill the tank , some problems that can stop this are the rubber seal that lifts up when you press the flush button to allow water to flush the bowl does not seal back in a position so that the tank can never fill , sometimes the float ball can get stuck which stops it from rising up with the water level and shutting off the water , but my best guess is that the rubber seal has started to perish or distort and needs to be replaced you can find this right at the bottom of the tank and it is directly connected to the flush button ,so if you inspect inside the water tank and press the flush button you will see that it opens up and lets water pour into the toilet bowl but if a tight seal can not be made water will never fill the tank

Sep 26, 2017 | Washing Machines

1 Answer

Why doesnt town water cut off and just keep filling the tanks till they overflow we have tryed everything


Troubleshoot Your Toilet Without a Plumber

www.popularmechanics.com/home/how-to/a4117/4303948/
Overflowing, constantly running and sweating toilets can test a home owner's sanity. ... take for granted--until we can't take a shower or make the toilet flush properly. ... If none of the above does the trick, you may have a misadjusted or faulty fill ... the waterlevel a half inch below the top of the overflow tube inside the tank." ...

Emergencies - Overflowing toilets - Toiletology 101

www.toiletology.com/emergenc.shtml
You can't just lower the water level in the tank; you need to displace some of ... and the ballcock and flapper are working properly and shut off when the tank is full. ... The bowl is filled with the water that goes into the overflow pipe. ... Unfortunately, when a toilet bowl is clogged and the water level rises and doesn't flush the ...

Nov 19, 2015 | Town Home

1 Answer

Jacuzzi (brand) fill valve. Why does it keep filling?


The flapper is not seating correctly, causing leakage into the bowl. The tank level lowers to a point where the fill valve is activated to restore the tank level to its shut off point and the cycle repeats.

Oct 06, 2015 | Home

1 Answer

After a flush, water tank fills up but water will not shut off automatically, have to shut off the main water supply at the bottom of the toilet after each fill up.


There is a problem with your fill valve. The fill valve has a float connected to it, that rises up as the water level reaches its correct level, which then shuts off the water entering the tank.
Replace the fill valve. They run in the neighborhood of $10-15.

Feb 28, 2015 | Home

1 Answer

Toilet not flushing correctly :why does tank not fill so that it will flush


the fill valve is not letting water in you either have a float that raises up when water is full so when you flush the float drops down letting water in then when water raises it shuts off i would replace the float fill valve and corky flapper.... here is what you do .... first shut water off where it goes up to the tank....... flush commode to empty as much water from tank....... reach up under tank there is a plastic coupling that connects the water supply line to the bottom of the toilet tank...put a small pan under the shut off valve that goes to the toilet some water is going to drain from the tank when you take the coupling loose..... turn the coupling counter clockwise ( use a channel lock adjustable wrench to loosten then had turn) once this is loose you can pull the riser tube away from the tank...... now there is a plastic nut that screws the shaft to the bottom of the tank loosten with channel lock then remove with hand by turning counter clock wise ( you will get a bunch of water flowing down to the pan) remove the entire fill valve , replace with a fluidmaster fill valve ( about 8 bucks from big box store when you take the new fill valve out of the box there is a neopreme seal you must put on the new threaded shaft ( it has an inner ring you may have to punch out) once you put this on you can insert the entire shaft down through the hole in tank then secure with thin nut provided tighten but do not overtighten then put coupling back on,,,,,put the over flow tube on the tit of the fill valve and stick down into over flow ok thats done when you go to big box store purchas a 5 buck corky flapper (red caus it can handle chlorine water better) remove the old one at bottom of tank( just two clips to remove and chain attached to flush lever...install new one be shure chain does not have a lot of slack so it does not fall under flapper seal when you flush......OK YOU ARE DONE TURN WATER ON WATCH TANK FILL LOOK FOR LEAKS TAKE A TOWEL AND DRY ALL AREAS THEN TAKE YOUR HAND AND FEEL FOR LEAKS UNDER TANK AND DOWN TO SHUT OFF VALVE .....CONGRATS YOU DID IT!

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1 Answer

How do I get the water to stop filling the tank on my toto ST794S toilet?


there should be a screw adjustment on the ballcock or fill assembly...screw that down some to adjust...that regulates your tank water level....that screw goes in or out to adjust...one or other should do the trick...may have to do this a few times to get proper adjustment...good luck..

Jul 07, 2014 | Toto St794s-12 Nexus Tank With G-max...

1 Answer

Fluidmaster model 200a, water keep on filling inside the tank even when it is full.


ok,, if you can lift the arm and it shuts off its just aligned wrong, shut off the water, reach down to the lower half of the fill tube,, you will see a little slide clamp, that slides off, and you can adjust the unit up or down to set the amount of water the tank allows to fill and turn off , also, if the over flow ( the small black tube) that goes down the tube that holds the flapper ball, is too far down inside of that tube, it will create a siphon so make sure thats attached to the metal clip that comes with the unit. If the water doesn't shut off when you lift the arm on the float bar,, you can turn the top of the unit 1/8 of a turn, and remove the top, check for any debris inside of that , you can invert a cup and hold it over the top long enough to shoot a short blast of water to clear the feed out. reassemble, and turn the water back on,, you may have to readjust the slide tube to the desired water height

Jul 08, 2011 | Plumbing

1 Answer

Rough idle, cruise control also stopped working


Sounds like you could have gotten some water in your fuel tank from that fill up. Go to a autoparts store and get a product to put in the tank that takes care of water in fuel. Use it when you fill the tank up a few times after and hopefully it goes away. Whenever you can't sustain power in the engine or it runs rough then your cruise control will constantly be shut off because the engine doesn't have the power to keep the speed up and should go away once your engine is running clean again.

Good Luck

Oct 09, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

Is there a manual. The water keeps running.


the fill valve shut off level setting is too high. water in the tank is overflowing in the overflow tube. adjust fill valve to shut off at lower tank level

May 12, 2009 | Jacuzzi Bath Era BK37 959 White toilet...

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