New Century Plumbing-Running Toilet

A Complete Guide to Dealing with a Persistent Running Toilet

Are you tired of the constant sound of a running toilet? Do you find yourself debating whether to fix it yourself or call a professional plumber? Well, you’re not alone. Dealing with a persistent running toilet can be a frustrating and time-consuming task. But fear not! In this complete guide, we will walk you through the ins and outs of when to DIY and when to call a plumber. From identifying the common causes of a running toilet to providing step-by-step instructions on how to fix it yourself, we’ve got you covered. We’ll also help you understand the warning signs that indicate it’s time to seek professional help. By the end of this guide, you’ll have all the knowledge you need to make an informed decision and put an end to that annoying running toilet once and for all. So, let’s dive in and take control of your bathroom once again!


Understanding the Problem: What is a Persistent Running Toilet?

A persistent running toilet is a common plumbing issue that occurs when water continues to flow into the toilet bowl even after the flush has been completed. This can lead to wasted water, higher utility bills, and an annoying sound that can keep you up at night. Understanding why your toilet is running is the first step in determining whether you can fix it yourself or if you need to call a plumber.


There are several potential causes for a running toilet. One common cause is a faulty flapper valve. The flapper valve is a rubber component located at the bottom of the toilet tank that controls the flow of water from the tank into the bowl. If the flapper valve is worn out or damaged, it may not create a proper seal, resulting in water continuously leaking into the bowl. Another possible cause is a defective fill valve. The fill valve is responsible for refilling the toilet tank after each flush. If the fill valve is not functioning correctly, it may allow water to continuously flow into the tank, causing the toilet to run.


In some cases, the problem may be due to an issue with the toilet’s float. The float is a device that regulates the water level in the tank. If the float is not adjusted properly or is damaged, it may prevent the fill valve from shutting off, resulting in a running toilet. Additionally, a flapper chain that is too tight or too loose can also cause a running toilet. The chain connects the flush handle to the flapper valve and controls its movement. If the chain is not properly adjusted, it may prevent the flapper valve from sealing properly, causing water to continuously flow into the bowl.


Now that we have a better understanding of what a persistent running toilet is and its potential causes, let’s move on to assessing the severity of the issue.


Assessing the Severity of the Issue

Before deciding whether to attempt fixing the running toilet yourself or calling a plumber, it’s essential to assess the severity of the issue. Some running toilet problems can be easily resolved with simple DIY solutions, while others may require professional intervention.


Start by observing the toilet and listening for any unusual sounds. Is the toilet constantly running, or does it only run intermittently? Is the water running continuously, or does it stop after a few moments? These observations can help you determine the severity of the problem.


If the toilet is running continuously and the water does not stop, it may indicate a more significant issue that requires professional attention. This could be a sign of a defective fill valve or a problem with the toilet’s plumbing system. In such cases, it is best to call a plumber to diagnose and fix the problem.


On the other hand, if the toilet only runs intermittently or the water stops after a short period, it may indicate a minor issue that can be resolved with some DIY troubleshooting. These issues are often caused by simple misalignments or minor component malfunctions that can be easily fixed without professional help.


Now that you have assessed the severity of the issue, let’s delve into some DIY solutions for a running toilet.


DIY Solutions for a Running Toilet

If you have determined that the running toilet problem is minor and can be fixed without professional help, there are several DIY solutions you can try before calling a plumber. These solutions are relatively simple and require basic household tools.


One common DIY solution is to check and adjust the flapper valve. Start by turning off the water supply to the toilet using the shut-off valve located near the base of the toilet. Flush the toilet to drain the tank and remove any remaining water. Inspect the flapper valve for signs of wear or damage. If necessary, replace the flapper valve with a new one. Ensure that the new flapper valve creates a proper seal when closed. If the chain connecting the flush handle to the flapper valve is too tight or too loose, adjust it accordingly to ensure proper flushing and sealing.


Another DIY solution is to check and adjust the float. The float should be set at a level that allows the fill valve to shut off when the water reaches the desired level in the tank. If the float is set too high, it may prevent the fill valve from shutting off, causing the toilet to run. To adjust the float, locate the adjustment screw or clip on the fill valve and adjust it accordingly. Test the toilet by flushing it and observing if the water stops at the desired level.


If the above solutions do not resolve the running toilet issue, you can also try cleaning the toilet’s fill valve. Over time, mineral deposits and debris can accumulate inside the fill valve, affecting its performance. To clean the fill valve, turn off the water supply to the toilet and flush it to drain the tank. Remove the fill valve cap and clean the valve assembly using a brush and vinegar solution. Rinse the valve thoroughly and reinstall it. Turn on the water supply and test the toilet to check if the running problem has been resolved.


These are just a few DIY solutions you can try to fix a running toilet yourself. However, if the problem persists or you are unsure about performing these tasks, it may be time to call a plumber. Let’s explore the signs that indicate when professional intervention is necessary.


When to Call a Plumber: Signs that the Problem Requires Professional Intervention

While many running toilet issues can be resolved with DIY solutions, some problems require the expertise of a professional plumber. Here are a few signs that indicate it’s time to call a plumber for assistance:

  • Continuous running: If the toilet is running continuously and the water does not stop, it could be a sign of a significant plumbing issue that requires professional attention. This could indicate a problem with the fill valve, a leak in the plumbing system, or other complex issues that are best handled by a plumber.
  • Persistent leaks: If you have attempted DIY solutions, but the toilet continues to leak or run, it may be a sign of an underlying problem that needs professional diagnosis. A plumber can inspect the toilet, identify the root cause of the issue, and provide an effective solution.
  • Lack of experience or confidence: If you are not familiar with plumbing systems or lack confidence in your DIY skills, it is best to call a plumber. Attempting complex repairs without proper knowledge can lead to further damage or even personal injury. A professional plumber has the necessary expertise and tools to handle the problem safely and efficiently.
  • Multiple affected toilets: If multiple toilets in your home are experiencing running issues simultaneously, it could indicate a larger plumbing problem that requires professional attention. A plumber can assess the situation, diagnose the underlying cause, and provide a comprehensive solution for all affected toilets.

Remember, it is always better to seek professional help if you are unsure about your ability to fix the running toilet issue. Now that we understand when to call a plumber, let’s discuss how to find a reliable one.


Finding a Reliable Plumber

When it comes to finding a reliable plumber, it’s essential to do your research and choose a professional who is experienced, licensed, and reputable. Here are a few steps to help you find a reliable plumber:

  • Ask for recommendations: Reach out to friends, family, or neighbors who have recently used plumbing services and ask for recommendations. Personal referrals are often reliable and can help you find trustworthy plumbers in your area.
  • Check online reviews: Read online reviews and ratings for local plumbers. Websites like Yelp, Google, and Angie’s List provide valuable insights into the reputation and quality of service provided by different plumbers. Look for plumbers with consistently positive reviews and high ratings.
  • Verify licenses and insurance: Ensure that the plumber you choose is licensed and insured. A valid license demonstrates that the plumber has met the necessary requirements and possesses the required skills and knowledge. Insurance protects both you and the plumber in case of accidents or damages during the repair process.
  • Get multiple quotes: Contact several plumbers and request detailed quotes for the repair. Compare the quotes, taking into consideration the scope of work, materials, and estimated time required for the repair. Avoid choosing the cheapest option solely based on price, as quality and expertise are also important factors to consider.
  • Ask about warranties: Inquire about warranties or guarantees provided by the plumber for their work. A reputable plumber should stand behind their services and offer a reasonable warranty period to ensure customer satisfaction.

By following these steps and doing your due diligence, you can find a reliable plumber that meets your needs. However, it’s also important to consider the cost of hiring a plumber compared to DIY solutions.


The Cost of Hiring a Plumber vs. DIY

One factor that often influences the decision to DIY or call a plumber is the cost. While DIY solutions may seem more cost-effective upfront, it’s essential to consider the potential risks and long-term expenses associated with incorrect repairs.


DIY solutions typically involve purchasing basic tools and replacement parts, such as flapper valves or fill valves, which may cost anywhere from a few dollars to around $50, depending on the quality and brand. However, if you are unsure about the problem or perform incorrect repairs, you may end up causing more damage and incurring additional expenses in the long run. This can include water damage repairs, higher water bills due to continued running, or the need to hire a plumber to fix the initial problem and any subsequent damage caused by DIY attempts.


On the other hand, hiring a professional plumber ensures that the problem is diagnosed correctly and fixed efficiently. While the upfront cost of hiring a plumber may be higher than purchasing replacement parts for a DIY repair, it can save you money in the long term by avoiding potential mistakes, additional damage, or the need for future repairs.


Additionally, hiring a plumber provides peace of mind, knowing that the problem will be resolved by an experienced professional. Plumbers have the necessary expertise, tools, and knowledge to handle various plumbing issues efficiently, saving you time and potential frustration.


Ultimately, the decision to DIY or call a plumber depends on your comfort level, experience, and the severity of the running toilet problem. If you have the necessary skills and confidence to perform the repair correctly, DIY solutions can be a cost-effective option. However, if the problem is complex, you lack experience, or the running persists despite your DIY attempts, it’s best to call a plumber to avoid further complications and expenses.


Now that we have explored when to DIY and when to call a plumber, let’s discuss some preventative measures to avoid a running toilet in the future.


Preventative Measures to Avoid a Running Toilet in the Future

Preventing a running toilet is often easier and more cost-effective than dealing with the problem once it occurs. Here are some preventative measures you can take to avoid a running toilet in the future:

  • Regular maintenance: Perform regular maintenance on your toilet to ensure it is in good working condition. Check the flapper valve, fill valve, and float for signs of wear or damage. Replace any faulty components promptly to prevent future running issues.
  • Avoid flushing non-biodegradable items: Educate household members about what can and cannot be flushed down the toilet. Non-biodegradable items such as paper towels, feminine hygiene products, or baby wipes can cause clogs and damage the toilet’s flushing mechanism, leading to running issues.
  • Avoid using excessive toilet cleaners: While toilet cleaners are necessary for maintaining cleanliness, excessive use of chemical cleaners can damage the toilet’s components, including the flapper valve and fill valve. Use cleaners sparingly and follow the manufacturer’s instructions.
  • Check the water pressure: Excessively high water pressure can cause running toilets. Install a pressure regulator on your main water line to ensure the water pressure remains at an optimal level. High water pressure can damage the fill valve and other components, leading to continuous running.

By following these preventative measures, you can minimize the chances of experiencing a running toilet in the future and save yourself from the frustration and expenses associated with the problem.


Troubleshooting Other Toilet-Related Issues

While a persistent running toilet is a common problem, there are other toilet-related issues you may encounter. Here are a few troubleshooting tips for some common toilet problems:

  • Clogged toilet: If your toilet is clogged, try using a plunger to remove the blockage. If the plunger does not work, you can try using a toilet auger or snake to clear the clog. If the clog persists, it may require professional assistance.
  • Weak flushing: If your toilet has a weak flush, ensure that the water level in the tank is adequate. Adjust the float to increase the water level if necessary. If the problem persists, it may indicate an issue with the toilet’s flushing mechanism, which may require professional attention.
  • Toilet leaks: If you notice water pooling around the base of the toilet or detect a foul odor, it may indicate a leak. Check the toilet’s wax ring and tighten any loose bolts. If the leak continues, it may require professional repairs to avoid further damage.

Remember, if you are unsure about troubleshooting or repairing any toilet-related issues, it’s best to seek professional assistance to avoid causing additional damage or personal injury.



Dealing with a persistent running toilet can be a frustrating and inconvenient experience. However, armed with the knowledge from this complete guide, you are now equipped to tackle the problem effectively. Understanding the common causes of a running toilet, assessing the severity of the issue, and knowing when to DIY or call a plumber are essential steps in resolving the problem.


Remember, if the running toilet problem is minor and you have the necessary skills and confidence, DIY solutions can save you time and money. However, for complex or persistent running issues, it’s best to seek professional help from a reliable


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