How to Fix a Running Toilet 1

How to Fix a Running Toilet

Identifying the Problem

When you hear the constant sound of water running in your bathroom, it’s likely that you have a running toilet. This not only wastes water but can also lead to a higher water bill. To fix a running toilet, you first need to identify the problem.

One common cause of a running toilet is a faulty or worn-out flapper valve. This valve, located in the tank of the toilet, is responsible for controlling the flow of water from the tank to the bowl. If the flapper fails to seal properly, water will continuously leak into the bowl, causing the toilet to run. Discover additional pertinent details on the topic through the thoughtfully chosen external source. sewer trenchless repair, gain supplementary insights.

Another possible cause of a running toilet is a faulty fill valve or float. The fill valve regulates the water level in the tank, and if it’s not functioning properly, it may allow water to continuously flow into the tank and overflow into the bowl.

Fixing a Faulty Flapper Valve

To fix a running toilet caused by a faulty flapper valve, you’ll need to replace the old valve with a new one. Start by turning off the water supply to the toilet using the shut-off valve, typically located on the wall behind the toilet. Flush the toilet to drain all the water from the tank.

How to Fix a Running Toilet 2

Remove the old flapper valve by disconnecting it from the overflow tube and any other attachments. Take the old valve to a hardware store to ensure you purchase the correct replacement. Install the new flapper valve by attaching it to the overflow tube and reattaching any necessary connections.

Once the new flapper valve is securely in place, turn the water supply back on and allow the tank to fill. Test the toilet by flushing it to ensure the flapper valve is now sealing properly and the toilet is no longer running.

Fixing a Faulty Fill Valve or Float

If the issue lies with a faulty fill valve or float, you can often resolve it by adjusting or replacing these components. Start by turning off the water supply to the toilet and draining the tank as mentioned earlier.

Inspect the fill valve for any signs of damage or excessive wear. If necessary, replace the fill valve with a new one, following the manufacturer’s instructions. If the fill valve seems to be in good condition, try adjusting the float to see if that solves the problem. The float should be positioned so that it allows the water to reach the proper level in the tank without overflowing.

Once you’ve made any necessary adjustments or replacements, turn the water supply back on and let the tank fill. Test the toilet to ensure the fill valve and float are functioning correctly and that the toilet is no longer running.

Preventing Running Toilets

While it’s essential to know how to fix a running toilet, it’s also crucial to prevent the issue from occurring in the first place. One way to prevent running toilets is to regularly inspect the flapper valve and fill valve for any signs of wear or damage. Replace these components as needed to ensure they continue to function properly.

Additionally, avoid flushing items down the toilet that can cause blockages or damage to the flushing mechanisms. Items such as wipes, sanitary products, and excessive toilet paper can clog the pipes and lead to running toilets.

Lastly, ensure that the chain connecting the flapper valve to the flush handle is properly adjusted. If it’s too tight or too loose, it can interfere with the flapper’s ability to seal, resulting in a running toilet.


A running toilet can be a frustrating and wasteful problem, but with proper troubleshooting and maintenance, it can be easily resolved. By identifying the problem, whether it’s a faulty flapper valve or fill valve, and following the necessary steps to fix or replace the components, you can stop your toilet from running and conserve water.

Remember to regularly inspect and maintain your toilet to prevent running toilets in the future. By taking these preventive measures, you can enjoy a fully functional and efficient bathroom. Learn more about the subject by visiting this carefully selected external resource. camera inspection service, unveil worthwhile knowledge and fresh viewpoints on the subject addressed in the piece.

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