How To Fix A Toilet That Won’t Flush: Complete Guide

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Most people know how to fix a toilet that’s overflowing or not flushing properly. But what should you do if the water in the tank isn’t going down? In this complete guide, we’ll show you how to identify and fix the most common causes of this problem. So read on and learn how to take care of your toilet like a pro!

Reasons Why A Toilet Won’t Flush

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There are many reasons why your toilet may not be flushing properly.

Blockage in the drain

The most common reason for a toilet, not flushing is a blockage in the drain. This can be caused by anything from excess toilet paper to sanitary pads and baby wipes. If you find that your toilet isn’t flushing as effectively as it once did, you should consider using a plunger to break up the clog and restore normal operation.

Water supply issues

If your toilet won’t flush at all, it may be due to a water supply issue. This is most common if you have a low water pressure or if your water supply has been turned off. If you suspect a water supply issue, try flushing another toilet in your home to see if it is also affected.

Incorrectly installed part

Another common reason for a toilet not flushing properly is an incorrectly installed part. This could be anything from the flush valve to the fill valve. If you recently had your toilet serviced, check to see if any of the parts were incorrectly installed.

Worn out parts

Over time, the parts of your toilet can wear out and no longer work as well as they used to. This is most common with the flush valve and fills valve. If you’ve noticed that your toilet isn’t flushing as effectively as it did in the past, it’s possible that it’s time to repair some of the parts that have become worn out.

Broken Handle

If your toilet handle is broken, it will need to be replaced. A broken handle can cause several problems, including a toilet that won’t flush properly.

How To Fix A Toilet That Won’t Flush


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If your toilet won’t flush, there are a few possible causes. The most common cause is a clog in the trap or the pipes leading to the toilet. Other possible causes include a defective flapper or fill valve, a leaking gasket, or a problem with the water supply.

Before you begin, make sure that the water supply to the toilet is turned off. Then, flush the toilet to empty the tank. This will make it easier to access the parts that you need to fix the problem.

If your toilet still won’t flush, there are a few things that you can do to try to fix the problem. First, check the trap for a clog. A clog in the trap or the pipes leading to the toilet is the most common cause of a toilet that won’t flush. You must use a plunger in order to remove the obstruction. Position the plunger so that it is covering the hole in the bowl’s base, then use the handle to raise and lower the plunger. It is imperative that you make use of a plunger that is proportionately sized to the bowl of your toilet.

If the plunger is not successful, you might attempt clearing the clog using a plumber’s snake. Put the end of the snake through the hole in the bottom of the bowl, then pull it past the obstruction. If the clog cannot be removed with a plunger or a snake, you will likely need to remove the toilet and use an auger to remove the obstruction. If you are still unsuccessful in removing the blockage, you will probably need to call a plumber.

On the other hand, If the trap is clear, try flushing the toilet again. If the toilet still won’t flush, you may need to replace the flapper or fill valve.

Inspect the flapper for any cracks or holes. If the flapper is damaged, it won’t create a tight seal and water will leak out of the tank. Replacing the flapper is a relatively easy fix.

If the fill valve is defective, it may not be getting enough water into the tank or it may be leaking. You’ll need to replace the fill valve if it’s defective.

Make sure that the water supply is not turned off and that there is no leak in the supply line. If the water supply is turned off, turn it back on. If there is a leak, you’ll need to repair it before proceeding.

You also need to check if the water level in the tank is too low. If it is, then you’ll need to adjust the float. The float is a small ball that sits on top of the water and controls how much water is allowed into the tank. If it’s set too low, then not enough water will enter the tank and the toilet won’t flush properly.

Finally, check the gasket around the base of the toilet. If it’s loose or damaged, it could be causing water to leak out and preventing the toilet from flushing properly. Finally, check the water supply to make sure that there’s enough water pressure. If not, then you’ll need to adjust the water supply valve.

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Final Thoughts

If you’ve followed the steps above and your toilet still won’t flush, there may be something wrong with the mechanism itself. In this case, it’s best to call a professional plumber to take a look.

There are many different reasons why a toilet might not flush, but fortunately, most of them are easy to fix.




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