Category : Toilet Problem

Why won’t my toilet stop running: Expert Guide Solution

This guide shows you how to fix a running toilet without calling a plumber. You’ll learn how to check the fill tube, adjust the fill height, cut the chain, adjust the flush handle, and replace the flapper.


A constant flow of water through your toilet results in water wastage and on the other hand the cost of the water bill goes up a lot.

If you are experiencing common toilet problems such as your toilet won’t stop running, don’t worry!

You can solve this problem very quickly and easily on your own without a plumber.

In this blog, I will give you a specific guide on how to solve this problem and why this problem mainly occurs. So, I hope you will stay with me.

Why Does The Toilet Water Stop?

To understand why the water in a toilet bowl continues to overflow after flushing, you must know the components of a toilet tank, such as the flapper chain, the flapper itself, the float valve, and the fill tube, as they are all interconnected.

Reason 1:- Flapper Chain Not Connected

If the flap chain inside the toilet water tank is not connected properly, the flush lever may stop working with the toilet flappers.

This can cause very little water to come out of the toilet bowl or a lot of water to come out if the chain connected to the flap is too big.

Make sure the chain is properly connected to the flush lever and the toilet flappers, and adjust the float attached to the chain so it sits above the surface of the water.

Reason 2:- Flapper Was Broken Or Accumulation Of Dirt

Sometimes the toilet flapper breaks down or fails to close properly due to the accumulation of dirt in the opening of the flap.

If this is the case, the water in the tank should be emptied and cleaned.

If you find that the flush valve is causing a water leak, you can replace it with a new flapper by following the steps outlined in the blog post.

Reason 3:- Float Valve Out Of Position

If the float valve is out of position, it can result in a weak flush. To address this issue, locate the fill level mark inside the tank and mark it with the overflow tube to make it easy to see.

Unscrew or unclip the attachment on the column float attached to the fill valve, lower the float, and then secure everything.

Reason 4:- Check Fill Tube

If the fill tube is detached, the water stream will not reach the overflow tube, resulting in a weak flush or insufficient filling of the toilet bowl.

This can cause the bowl to not flush properly and can lead to inefficient draining.

Tools Required: Fix running toilet.

  • Cutting pliers
  • Pliers
  • Rubber gloves

Materials Required: Fix running toilet.

  • Replacement fill valve (if valve)
  • Toilet flapper

How To Stop A Running Water From Toilet

STEP 1:-Check The Fill Tube

To check the fill tube inside the toilet tank, first remove the tank. The fill tube is a flexible tube that runs from the fill valve to the toilet overflow tube.

If the tube falls or the overflow tube is missed, the bowl will not fill properly and your next flush may not be possible or may cause a poor flush.

Reconnect the tube and push firmly on the fill valve so that the overflow tube is about 1 inch above the rim.

Then, flush the toilet to see if the toilet overflow tube goes down.

STEP 2:- Adjust The Fill Height By Checking The Float

The water level inside a toilet tank is controlled by a fixed float. If the float is set too low, it will cause a weak flush, but if set too high, water will spill into the overflow tube and the fill valve won’t close, causing water to continue flowing into the toilet.

To fix this issue, locate the fill level mark on the back of the tank and mark that spot on the overflow tube. If you can’t find it, make a mark 1 inch below the overflow tube. Then, flush the toilet and observe if the water stops refilling at the specified mark. If not, the tank will continue to overflow.

If you’re using an older toilet tank system, you can solve this problem by bending the brass rod that connects to the float ball in the tank. If you’re using a new system, you’ll see an adjustment screw that rotates or a rod with a clip that slides on it. Check each set-up to ensure the water shut-off is correct.

In some cases, the fill valve may not close due to a defect. In this case, replace the valve by showing the model of the toilet tank to a nearby hardware store or taking a picture on your mobile device to show them. The tank will be provided with an adjustment valve.

STEP 3:-Cut Extra Flapper Chain Or Adjust The Flush Handle

If the excess chain attached to the flapper is too long, it can prevent the flapper from closing and refilling the tank.

If the chain is too long or the flush rod hits the tank lid because the flapper won’t fully open, you will need to hold the lever for a complete flush opening.

To correct this, cut off the excess chain, leaving an extra inch longer than necessary for proper functioning. If you have a flush rod, you can adjust it and leave the rod.

STEP 4:-Replace The Flapper

If you have tried the methods mentioned above but the toilet water continues to flow, you may need to change the toilet tank flapper.

To do this, the best option is to visit the nearest hardware store and purchase a flapper that matches your toilet model.

Before doing so, take a photo of the current flapper on your mobile device to ensure you purchase the correct replacement.


In conclusion, this article provides a comprehensive guide on how to solve a running toilet problem, which can be frustrating and wasteful.

Our goal with this guide is to assist you in resolving the issue on your own, without the need to call in a professional plumber. This will not only save you money on water bills, but also prevent water wastage.

The guide provides an overview of the various components of a toilet tank that may cause a running toilet, and offers straightforward, step-by-step instructions for repairing the issue. This includes checking the fill tube, adjusting the fill height, cutting excess chain or adjusting the flush handle, and replacing the flapper.

Remember to always wear rubber gloves and use the necessary tools and materials when addressing any in shower, bathtub, toilet, bathroom floor & Bathroom accessories visit our website

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