A constantly running toilet is more than just an annoyance—it can lead to significant water wastage, higher water bills, and even long-term damage to your plumbing system. If your toilet won’t stop running, you’re not alone. Many Adelaide homeowners experience this common plumbing issue. At Precise Plumbing and Electrical, we specialise in diagnosing and fixing toilet problems efficiently.
For urgent toilet repairs, our emergency plumbers are available to provide immediate assistance, ensuring your plumbing issues are resolved promptly.
Common Causes of a Running Toilet
Several factors could be causing your toilet to run continuously. Identifying the root cause is essential to fixing the issue efficiently and preventing further water wastage.
Understanding Running Toilets
A running toilet is a common plumbing issue where water continues to flow into the toilet bowl after flushing. This can lead to significant water waste and higher water bills. Typically, a running toilet is caused by a faulty flapper or fill valve, which fails to seal properly, allowing water to leak continuously. Understanding the root causes of a running toilet is crucial for effective troubleshooting and repair.
1. Faulty Outlet Valve
The outlet valve controls the water flow from the cistern to the bowl. If it’s worn out, warped, or misaligned, water can continuously leak into the bowl, preventing the cistern from refilling properly.
Signs of a faulty outlet valve:
- The toilet runs intermittently without flushing.
- You hear water trickling into the bowl long after flushing.
- Jiggling the flush handle temporarily stops the running.
- The outlet valve appears cracked, brittle, or does not seal properly.
2. Chain Issues
The chain connects the flush handle to the outlet valve. If the chain is too long, too short, or tangled, it can prevent the valve from sealing properly, leading to continuous water flow.
Signs of chain problems:
- The handle feels loose or unresponsive.
- The toilet does not flush completely.
- The outlet valve does not close after flushing, causing continuous water flow.
- The chain gets caught on other components inside the cistern.
3. Float Height is Too High
The float regulates how much water fills the cistern. If it’s set too high, water will keep flowing into the overflow tube, causing the toilet to run non-stop.
Signs of a high float level:
- The water level sits above the overflow tube.
- The toilet continuously refills without stopping.
- You hear the sound of running water after flushing.
- The cistern overflows slightly when flushed.
4. Leaky or Malfunctioning Fill Valve
A faulty fill valve can prevent the cistern from filling properly, leading to an ongoing flow of water. Another common issue could be a malfunctioning flush valve, which can cause continuous water flow or improper flushing.
Signs of a faulty fill valve:
- The toilet never stops refilling, even after flushing.
- Water constantly runs into the overflow tube.
- The cistern fills slowly or makes hissing noises.
- Water sprays inside the cistern when flushing.
Sediment Build-Up in Hot Water System or Blocked Toilet
Over time, mineral deposits and debris from hard water can accumulate inside the cistern, interfering with the proper function of the valves and seals.
Signs of sediment build-up:
- The toilet runs despite replacing parts.
- Reduced flushing power or inconsistent flushing.
- Visible deposits inside the cistern or on toilet components.
- Staining or discolouration inside the bowl.
DIY Troubleshooting
Troubleshooting common toilet issues can be a cost-effective and efficient way to resolve problems. Here are some simple steps to fix common issues:
Simple Steps to Fix Common Issues:
- Blocked Toilet: Use a plunger to create suction and remove the blockage. If the plunger doesn’t work, you may need to use a toilet auger.
- Running Toilet: Check the fill valve to ensure it’s not stuck open. Adjust the float arm to ensure the water level is correct.
- Leaking Toilet: Check the cistern-to-bowl connection for signs of wear or damage. You may need to replace the gasket or tighten the connection.
If the problem persists, it may be time to call a professional plumber.
How to Isolate the Cold Tap Water Supply
Before attempting any repairs, turn off the water supply to your toilet to prevent further water waste.
How to Shut Off the Water:
- Find the isolation valve – It’s usually located behind or below the toilet.
- Turn the valve clockwise – This will stop the water from flowing into the cistern.
- Flush the toilet – This empties the cistern, allowing you to inspect the internal components without constant refills.
Preventing Future Running Toilets
To avoid dealing with a running toilet in the future, follow these proactive bathroom maintenance tips:
- Inspect your toilet components regularly for signs of wear and tear.
- Avoid using chemical drain cleaners that can deteriorate seals and valves.
- Test for leaks by adding food colouring to the cistern—if the colour appears in the bowl without flushing, there’s a leak.
- Ensure your home’s water pressure is properly regulated to prevent excess strain on toilet components.
- Schedule regular plumbing check-ups with Precise Plumbing and Electrical.
- Keep an eye on your water bill—an unexplained increase could indicate a hidden leak.
Regular Maintenance Tips:
- Clean the Toilet Regularly: Prevent mineral buildup by scrubbing the bowl and using a disinfectant.
- Check the Cistern Every Six Months: Ensure the water level is correct and the fill valve is working properly.
- Avoid Flushing Non-Flushable Items: Teach children not to flush anything other than toilet paper and human waste.
Need Help Fixing a Running Toilet? Contact Us Today!
A constantly running toilet can be frustrating, but it doesn’t have to be a long-term problem. Our company is staffed by local Adelaide plumbers committed to providing top-notch customer service. Whether you need a quick fix or a full toilet replacement, the experienced team at Precise Plumbing and Electrical is here to help.
Call us today at 8356 2750 or book online for expert toilet repairs in Adelaide!
