
[Solution] How to Fix a Running Toilet
- Check the water level. When flapper trouble isn't the cause of a running toilet, the next most common cause is the water level.
- Determine the type of float you're dealing with. Water comes into a toilet tank via a fill valve. ...
- Lower the float on a float ball fill valve. ...
- Lower the float on a float cup fill valve. ...
What to do if your toilet keeps running?
Solution 4: Fix The Faulty Fill Valve
- First of all, you need to turn off the water supply in your toilet.
- Then, hold your flush lever down to let most of the water drain out of your toilet.
- After that, use your shop vac to remove the remaining fluid out of the tank.
- Disconnect your water supply valve from your fill valve.
How to stop a toilet from running constantly?
If the Problem Is With the Flush Valve
- Check the Chain. A constantly running toilet is typically due to an issue with the flush valve assembly, so one of the first parts to inspect should be the chain ...
- Inspect the Flapper. The next step is to inspect the flapper. ...
- Replace the Flush Valve. ...
How to stop that annoying toilet from running intermittently?
Toilet Running Intermittently NOT Flapper. The two problems that can make a toilet run without involving the flapper are the fill valve and the wrong water level in the toilet tank. The solutions to these issues are as follows: ... Tun off the shutoff valve to stop the water from the mains from flowing into the toilet tank.
How to fix a toilet that runs intermittently?
How to Fix a Toilet That Runs Intermittently
- Turn off the water supply to the toilet tank. The water supply valve is often below the toilet tank at the end of the tank water supply hose.
- Open the toilet tank lid. Flush the toilet and hold the handle down to completely drain the toilet tank.
- Unlatch the flapper chain from the clip on the back side of the flush lever. ...

How do you fix a toilet from constantly running?
Adjust the Fill Height by Checking the Float 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 toilet overflow tube and the fill valve won't shut off. The toilet keeps running.
What is the most common problem that occurs when the toilet won't stop running?
The three most common causes are a broken or dirty flapper, too long or too short of a chain between the flush lever and the flapper or a float that is out of position. The first thing you will need to do is turn off the water feeding into the toilet.
What causes toilet to keep running after flushing?
When the water level in your toilet is too high, the residual water will keep draining into the overflow tube. This causes the toilet to keep running after a flush, potentially instigating water damage in the long run. To correct the water level, you will need to lower the toilet float.
How do you adjust a toilet flapper?
0:272:57How to Adjust Toilet Flapper Float that Closes Too Soon or Too FastYouTubeStart of suggested clipEnd of suggested clipYou will move this higher along the chain. But if there's not enough water entering meaning thisMoreYou will move this higher along the chain. But if there's not enough water entering meaning this thing's closing too fast you move this float towards towards this flapper.
Can a running toilet increase water bill?
Toilet and faucet leaks The most common cause for a high-water bill is running water from your toilet. A continuously running toilet can waste up to 200 gallons a day or more depending on the volume flow down the drain.
How do I replace a toilet flapper?
0:532:36How to Replace a Toilet Flapper Valve - Plumbing Tips from Roto-RooterYouTubeStart of suggested clipEnd of suggested clipTo replace a flapper valve. First you need to shut off your water supply valve. Behind the toilet.MoreTo replace a flapper valve. First you need to shut off your water supply valve. Behind the toilet. Turn it clockwise next remove the lid from the tank.
How much does a running toilet increase the water bill?
A severe running toilet can waste up to 4.5 gallons per minute, or 300 gallons per hour. At this rate, it can increase your water bill by around $6...
Why is my toilet making a running noise?
Most of the time, a running toilet indicates an issue with the flapper, valves, or perhaps due to debris and calcium deposits inside the pipes. Fol...
How do I stop my Kohler toilet from running?
You can follow our five-step process above to diagnose any issues with your Kohler toilet.
Why does my dual flush toilet keep running?
Most of the time, the issue is the flapper or the seal. The flapper is responsible for holding the water in the tank until flushed, so a misaligned...
How do you fix a push button on a toilet that keeps running?
Evaluating your tank to determine the possible cause of the running toilet is essential. A misaligned valve, worn flapper, or a poorly fitting floa...
Why does my toilet keep running?
Let's discuss some of the most common reasons your toilet may be continuously running: 1. Leaking flapper. Most of the time, a leaking flapper is a culprit for a running toilet. To work correctly, the flapper should cover the hole that connects the tank to the bowl.
Why does my toilet run continuously?
The flapper is responsible for holding the water in the tank until flushed, so a misaligned or damaged flapper can cause a toilet to run continually. A common problem with dual flush toilets is buttons' sticking' or being held in the flush position.
Why is my toilet not working?
Blockages, corrosion, or damage can all lead to a malfunctioning refill tube, causing your toilet not to work as expected. 3. Misaligned or malfunctioning float ball. The float ball is connected to the flapper and raises and lowers it depending on how much water is in the tank.
What to do if flapper valve is leaking?
If your flapper shows no sign of damage, check if there is a leak on the fill valve. Sometimes, there can be a build-up of residue around your valve that will just need clearing. If you notice any damage to the valve, you'll need to replace it. Removing the fill valve is an easy process, as is replacing it.
How does a toilet work?
Understanding How a Toilet Works. A toilet has two essential parts – the tank and the bowl. The bowl is responsible for holding the water while connected to the plumbing. On the other hand, the tank contains water which is needed for flushing and draining the bowl.
What is the most common problem with a toilet?
One of the most common toilet problems is a pesky leak, where water is continuously draining from the tank into the bowl.
Do you need to shut off the water supply in a toilet?
Gloves. Before we begin, we must first diagnose the problem before moving on to fixing it. First, and most importantly, you need to shut the water supply off. Modern toilets usually have a tap that will allow you to shut off the water easily, but older models may require a bit more work.
How to fix a running toilet?
One way to fix a running toilet is by adjusting the flapper, which is a rubber seal that stops the water in the tank from draining into the toilet bowl. Start by turning off the water and flushing the toilet to drain the tank. Then, open the tank lid to inspect the handle, chain, and flapper.
Why does my toilet keep running?
Toilet flapper issues are one of the most common causes of a running toilet. If the toilet flapper seems fine, try adjusting the water level of your toilet. Finally, if your toilet is still running, you’ll probably need to replace the toilet fill valve . Steps.
How does water come into a toilet tank?
Water comes into a toilet tank via a fill valve. The fill valve has a float on it that rises or lowers with the water level. The float height is what tells the fill valve to shut off when the tank is full. Therefore, you can lower the water level in the tank by adjusting the height of the float.
What is the flapper in a toilet?
The flapper is a round rubber seal that stops water from draining from the tank and into the toilet bowl. When you flush the toilet, the chain pulls the flapper up so fresh water can fill the bowl. Problems with the flapper are among the most common causes of a running toilet.
How to lower float in toilet?
With a screwdriver, turn the screw a quarter turn counterclockwise to lower the float. Flush the toilet and let the water in the tank refill. Check the water level. Ideally, the water level should be 1 to 1.5 inches (2.5 to 3.8 cm) below the top of the overflow tube.
What is a refill tube?
The refill tube is a tube attached to the fill valve that fills the tank with water after it’s been flushed. This tube should always be above the water line, otherwise it can lead to intermittent running. When the tank is full, make sure the tube isn't in the water.
How to get a toilet lid off?
Lay down a towel somewhere safe and out of the way, such as in a corner. Hold either end of the lid firmly with both hands and pull the lid off the toilet. Place the lid on the towel to prevent it from getting scratched.
Check inside the toilet tank for a leaky flapper, bad fill valve, or overflow pipe at the wrong height
Check inside the toilet tank for a leaky flapper, bad fill valve, or overflow pipe at the wrong height.
Introduction
Fixing a running toilet is a lot easier than you might think. In this article, we'll show you how to identify and solve the problem. Don't be intimidated by the plumbing. The fixes are straightforward, even if you don't have any plumbing experience. So stop wasting water and fix the toilet!
Project step-by-step (5)
Push down on the flapper with a stick when you hear the water running and listen for it to stop.
How to get a float cup out of a toilet?
Turn off water and flush the toilet. Reach into the tank with your right hand and lift up the float cup and grip the gray shaft and hold it in that position (see photo below). With your left hand grab the cap and at the same time place your thumb on the side of the plastic arm.
Why is my toilet flush valve set to the wrong height?
The flush valve is set to the wrong height or may be blocking the path of the water to drain safely into the toilet bowl. If water is draining down and water is coming out from the bottom of the tank change tank bolts and washers.
Can dirt lodge in a water valve?
Flushing Debris (Cleaning Solution): It is possible for dirt and debris to lodge itself inside the valve. This can happen any time the water is on and may happen after a new installation, a few days later or even months and years after installation.
Why does my toilet keep running?
Another reason that your toilet keeps running is that the float is too high. This can happen if the toilet float arm is bent or the float ball is stuck above the water level. This can happen on older-model toilets that have a ball float rather than a float valve.
What does it mean when a toilet is running?
When your toilet is running, it means that the water from the tank is flowing into the bowl one way or another through the drain valve (see the causes above). This means that there is something in the toilet tank that needs to be fixed.
Why does my toilet sound like it's flushing?
This is because the refill tube is too long and is creating a siphoning effect from the tank into the overflow tube. The tube should be sitting just above the overflow tube.
Why does my toilet tank run continuously?
This is the tube that runs from the toilet fill valve into the overflow tube. If the refill tube is too long, the water will go from the toilet tank to the overflow valve, causing your tank to run continuously . Another thing that could result in is ghost flushing.
What happens if you don't have enough slack in your toilet chain?
If there is not enough slack in the chain, the flapper will not fully close, and the seal won’t properly form, causing water to go down the drain valve and into the toilet bowl. Make sure your toilet chain is not too long or too short when fixing your running toilet.
Why does my toilet run on and off?
Another thing that is less common is that the overflow pipe is cracked. This will cause the water to leak through the overflow tube and down into the bowl, causing your toilet to run or cycle running on and off over time continuously.
How to fix a toilet that has a ball float?
To fix this, adjust the float arm in the float ball to the right level so that it shuts off after the water it’s the soul level on the tank. There will be a screw on the top of the fill valve that can adjust the float ball’s height.
