Question about Kohler Toilet - One Piece with Ingenium Flushing System - San Raphael by

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After each flush, the tank fills but the fill valve doesn't stop and the water keeps running into the toilet. How could I adjust the fill valve?

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  • Kohler Master
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Hi,
Usually the problem is dirt in the fill valve and not an adjustment problem...
depending on which valve you have it can be taken apart and cleaned out... just remember to turn off the water supply before taking the fill valve apart...

Posted on Jul 28, 2010

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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

How can I adjust the waterflow to a lower setting to make it 1.2 gallon flush from a 1989 3.5 gallon flush??


Keep in mind that if you limit the amount of water too much, the 3.5 gallon toilet will not flush properly.

This looks like an old Kohler Rialto toilet. The proper way to adjust the water level is to tighten down on the adjustment screw located on the very top of the fill valve. The fill valve is the the piece that the float ball screws into on the left side of the tank.
Tighten the screw down and flush the toilet. Wait for it to refill, and check the level. If you need less water, tighten again, let fill and check level.
There are also two old school methods to save water in your toilet. One is to put one or two bricks into your toilet tank. This reduces the amount of water that fills the tank. The second method is if the fill valve has a float ball on a metal rod, you can bend this rod down into the water. This makes the fill valve shut sooner. Don't bend too far or too fast because the chlorine in the water weakens the brass rod that the float ball attaches to.

Nov 29, 2016 | Home

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...

2 Answers

Toilet Tank Fills Doesnt stop filling


You can get a new seal at almost any hardware store. Turn the water off. Just give the grey cap about a 1/4 turn and it will come off. Pull the black rubber out and put the new one in. The rod inside the ballcock eventually pierces the rubber diaphragm. The cost is about $2.

Aug 21, 2013 | Home

1 Answer

Toilet doesn't turn off after flush


The Kohler Cimarron is one of the most popular and reliable toilets out there. (My Favorite). However, depending on the hardness of the water and if you use cleaner tabs in the tank, these factors can lead to a malfunction.
The first thing you should do is hold the flapper (rubber seal inside the tank that releases the water down to the bowl) down with your hands for a few seconds after a flush and see if the toilet stops running. Sometimes the flapper doesn't seal properly therefore the fill valve keeps working non stop. Stopping the fill while holding the flapper down will confirm that your flapper needs to be changed.
If this doesn't work then try this....
The other common problem with a running toilet is with the fill valve itself. There is an attached float on the fill valve that goes up and down depending on the water level. Once the water level rises, it rises the float, and the float tells the fill valve to stop filling the tank. While the toilet is running (hissing), try raising the float all the way up with your hand and see if it stops. If it stops but not consistently with every attempt, then you will need to change the fill valve. I believe the Fluidmaster 400A is the replacement model.

Nov 23, 2010 | Kohler Cimarron Comfort Height elongated...

1 Answer

I have the Kohler toilet with the top actuator, it flushes fine but won't stop running. If I lift the tank top I'm making the toilet flush again. Can this be fixed or do i have to replace the whole system?


(Problem 1) if you can see the water running in the bowl it's a good chance that the flappers warn. you'll have to look at the angle where the light hits the water. The water will be rippling where the top of the water meets the inside of the bowl edge.
For more info on how a toilet works = http://www.aplumbers.com/residential/toilet
solution 1
1. tank the tank lid off.
2. flush, the rubber thing that comes up and allows the water to go to the bowl is the flapper 3. remove 4. replace that should fix it.

problem 2 it could be the water levels to high.
(solution 2)
1. tank tank lid off.
2. if the waters flowing over the long tube in the center and down then the water level is too high 3. adjust the level either it will have a ball **** or a float in either case a ball **** adjusts by a screw on the fill valve. the float has a either a metal rod w/ a pinch clamp or a plastic long screw type thing. 4. adjust water level . 5. lift the flapper to allow a little water out til fill valve kicks on then release handle til valve stops . 6. just keep re adjusting til you get the water level right there should be a molded in line for the level on the back of the tank.

Nov 14, 2010 | Kohler Acorn Lift-Knob Flush Actuator...

1 Answer

Water runs after it fills up?


I am not familiar with that model, but it sounds like your fill valve is leaking or the water level in the tank is too high. Take the toilet tank top off and flush the toilet. When the water gets full and you hear the water stop ( except for your leak) look at the flush valve. Is water running over the top of it and running into the hole in the middle? Then the float need adjustment.
If you are hearing you leak still, lift up on the float. Did it stop? if so the valve may need adjustment due to it not seating completely. You can probably find something online (youtube) easier than I can explain it.

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2 Answers

When flushing toilet, water spins in bowl but does not flush away. Have used plunger to no avail. Any suggestions?


It's either plugged or the tank isn't filling properly.
If it's the tank then the fill valve in the tank needs to be adjusted. There should be a screw to adjust the float ball. Back the screw out until the fill valve starts to run;let the water run until the tank fills to the fill line then turn the screw back in.Try flushing the toilet. If that doesn't work then the toilet is probably plugged.
If it's plugged you may need to rent/borrow a snake to clear the line.

Oct 09, 2009 | American Standard 2071.016 Heritage One...

1 Answer

Downstairs toilet won't stop filling, upstairs toilet won't fill


for the upstairs if the valve is fully on there is not much you can do other than replace water service to the house or heaven forbid repipe.Valves usually don't restrict fill volume.But you can take the supply loose from the tank and stick it in a bucket turn the valve on and check the flow.this should narrow it down.Down stairs repair or replace flush valve

Aug 04, 2009 | Home

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