As a plumbing expert with years of experience, I've encountered various issues with toilets and their maintenance. One common problem that homeowners face is a toilet that continuously runs, which not only wastes water but can also be a sign of a more significant issue. Here's a detailed step-by-step guide on how to adjust your toilet so it stops running.

Step 1: Turn Off the Water Supply
Before you start, it's essential to turn off the water supply to the toilet. This is usually done by turning the valve located on the wall behind the toilet. If there isn't a valve, you may need to shut off the water supply to the entire bathroom.

Step 2: Remove the Toilet Tank Lid
Next, carefully remove the toilet tank lid and set it aside on a soft surface to prevent it from cracking or breaking.

Step 3: Inspect the Fill Valve
The fill valve, also known as the ballcock, is responsible for refilling the tank after each flush. Inspect it for any visible damage or wear. If it's old or damaged, it might be the cause of the toilet running continuously.

Step 4: Adjust the Water Level
To adjust the water level in the tank, you will need to turn the screw on top of the fill valve. This screw adjusts the float in the tank. The goal is to set the toilet to stop filling approximately 1 inch below the top of the overflow tube. This is important because if the water level is too high, it can cause the toilet to continuously run.

**Step 5: Flush the Toilet and Check the Fill Level**
Once you've made the adjustment, flush the toilet to see if the fill level is correct. The water should stop filling about an inch below the top of the overflow tube. If it doesn't, you may need to make further adjustments to the fill valve screw.

Step 6: Check for Other Issues
If adjusting the water level doesn't solve the problem, there might be other issues at play. Check for leaks in the flapper or the fill valve, as these can also cause a toilet to run. Replace any worn or damaged parts as needed.

Step 7: Consider Professional Help
If you're still having trouble after following these steps, it might be time to call a professional plumber. Sometimes, the issue might be more complex and require specialized tools or knowledge.

Remember, a continuously running toilet is not just a nuisance; it can also lead to higher water bills and potential damage to your home's plumbing system. Regular maintenance and prompt attention to issues can save you money and headaches in the long run.

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To adjust the water level in the tank:Turn the screw on top of the fill valve* to adjust the float in the tank so the toilet stops filling approximately 1-- below the top of the overflow tube.Flush the toilet and check to see that the fill level is correct.read more >>