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Have you noticed your toilet flushing by itself when you’re at home? Well, a toilet that flushes on its own, also known as ghost flushing, is a common problem that most homeowners face. However, ghost flushing can be a frustrating problem to deal with, especially if you don’t know where the problem is coming from.
Luckily, there are usually easy fixes to ghost flushing. If you don’t pay attention to this problem immediately, it can hurt your water bill by using more water than usual. Although it may be a bit of an annoyance, there are some things you can do to try and fix your toilet if it is flushing on its own.
Here are some of the reasons why your toilet might flush on its own:
Toilets Flush on Their Own Due to a Leaky Seal
If you have a leaky seal, this could be the reason why your toilet is flushing by itself. A leaky seal can cause water to slowly seep into the bowl, eventually triggering the float and making the toilet flush. If your toilet runs randomly and you have to jiggle the lever or open the top of the tank to reset the flush mechanism, the flapper seal could be failing.
The flapper could also get damaged, or debris could be preventing a solid seal. When a certain amount of water escapes from the tank and into the toilet bowl and the water level in your toilet becomes low, your toilet will flush itself. The flapper seal leak is small, phantom flushing, but the toilet will flush itself regularly if the leak grows.
If you’re not sure if your toilet is leaking, add several drops of food coloring to the toilet tank and wait half an hour. If you see the colored water appear in the toilet bowl, then there’s a leak somewhere in the tank. Make sure you flush the colored water, so you don’t end up with a stained toilet bowl.
Faulty Flapper Can Lead to Phantom Flushing
A faulty flapper can also lead to phantom flushing. The flapper is a rubber seal that sits over the hole in the bottom of the toilet tank and prevents water from escaping. When you flush the toilet, the flapper is raised, and water flows from the tank into the bowl. If the flapper isn’t sealing properly, water will leak from the tank into the bowl and wastewater.
The average lifespan of a toilet flapper is only about five years. A flapper which has warped or deteriorated over time will not close properly, leading to the eerie sound of the toilet flushing on its own. Fixing this is quite easy as a toilet flapper is an inexpensive item that you can find in any local hardware store. Fixing the flapper will also stop your toilet from running. So, try to replace your old flapper with the new one.
In addition to replacing the flapper, the flapper inside the toilet tank might be too long and needs to be resized. While a flapper is the obvious cause of your toilet flushing itself, there are other reasons too.
Flush Valve Gasket
The flush valve gasket is located under the flapper and forms a seal between the tank and bowl. If this gasket is not sealing properly, water will slowly leak into the bowl, causing the toilet to flush on its own. Sometimes, both the flush valve gasket and the tank-to-bowl gasket can all fail, resulting in a water leak from the tank onto your floor.
To fix this, try replacing the flush valve gasket. If that doesn’t work, you may need to replace the tank-to-bowl gasket as well. You can also carry out a food coloring test by squeezing a few drops of liquid food coloring into the tank, then returning in 20 minutes. If there are traces of food coloring in the bowl, then water is still escaping the tank. Call a professional plumber to handle the problem if you’re not comfortable replacing it yourself.
Toilets Flush on Their Own Due to the Toilet Refill Tube
Another potential cause of a toilet flushing on its own is a problem with the refill tube. In most toilets, the refill tube runs from the overflow tube to the top of the tank connected to the fill valve and allows water to flow from the tank into the bowl when it’s needed. If this tube becomes kinked or clogged, it can prevent water from flowing into the bowl, causing the toilet to flush on its own.
If you suspect that the refill tube is the problem, try flushing the toilet and then disconnecting the tube from the overflow tube. If water continues to flow into the bowl, the refill tube is likely the issue. Replacing the refill tube is fairly easy as you can purchase one at most hardware stores.
Simply disconnect the old tube and replace it with the new one by connecting it to the overflow pipe. When you’re finished, reconnect the water supply line and test your toilet to see if it stops flushing on its own.
Defective Toilet Float
Toilet float is another culprit that can cause your toilet to flush on its own. This is a mechanical device that sits inside your toilet tank and controls the water level in the bowl. If it malfunctions, water levels may reach an undesirable height and trigger the flushing mechanism.
If you suspect that your toilet’s float is malfunctioning, you should first test the water level in your tank. If it’s too high, adjust the float according to the manufacturer’s instructions. If this doesn’t solve the problem, you may need to replace the float altogether.
Why Phantom Flushing Can Be a Big Problem
Other than startling you and the obvious annoyance, most homeowners don’t think a toilet flushing on its own is a big problem. However, every unnecessary flush of your toilet wastes a considerable amount of water.
The average toilet uses about 1.6 gallons (6 liters) of water per flush, which might not seem like much. But if your toilet is flushing on its own a few times an hour, day and night, that wasted water can quickly add up.
How to Fix Ghost Flushing
Now that you’ve identified what is causing your toilet to flush on its own let’s look at some of the ways how to fix the obvious problem.
- First, turn off the water supply at the cutoff valve
- Flush the toilet to empty the tank
- Take off the toilet lid
- Then remove the flapper and take it with you to the hardware store to find the perfect fit for replacement
Make sure you clean the space it occupies before replacing it to eliminate algae, which might prevent total sealing. Sometimes, the entire flushing mechanism or the toilet tank assembly needs to be replaced.
If the leak doesn’t stop, you may consider purchasing some of the best flushing toilets or replacing the entire toilet tank assembly.
FAQs on Why Your Toilet is Flushing on its Own
How to fix a ghost flushing toilet?
Fixing a toilet that flushes on its own is quite easy. Once you’ve identified the cause of the problem, fixing it is usually a matter of making a simple adjustment or replacing a part. For example, if it’s a faulty flapper, you can replace your old flapper with a new one to diagnose the problem.
Why does the toilet keep flushing itself?
There are several reasons why toilets keep flushing themselves. One common reason is a faulty flapper. The flapper is the rubber seal that covers the hole at the bottom of the tank. When you flush the toilet, the flapper lifts to allow water to flow from the tank into the bowl. If the flapper is not sealing properly, it can cause the toilet to flush continuously.
How to stop toilet flushing by itself?
There are several steps you can take to stop your toilet from flushing itself. The first step is to check the flapper to make sure it is sealing properly and replace it if necessary. You can also try adjusting the water level in the tank or checking other components, such as the chain that connects the handle to the flush mechanism.
Final Thought on Why Your Toilet is Flushing on its Own
Toilet flushing on its own is a common problem that shouldn’t scare you at all. If you’re faced with such, make sure you identify the problem immediately and take the necessary steps to fix it. If you’re still having trouble or have any other questions, feel free to reach out to a professional plumber for help.
The post Why Is My Toilet Flushing by Itself appeared first on Kitchen Infinity.
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