Toilet leaks can waste a lot of water in your house. Most commonly, toilet leaks result from aged and deteriorated components in your toilet tank.
Wasden Plumbing has been fixing toilet leaks for over twenty years now. Our plumbers in Rowlett and Rockwall, TX, have seen all kinds of different toilet leaks.
According to our professionals, here are the three most common causes of toilet leaks.
1- The Flapper Valve
The flapper valve is the value that allows water into the bowl when you flush the toilet. Over time, the flapper valve can degrade and deform, losing its ability to keep water from flowing. If you have a deteriorated flapper valve, you may see water constantly running in your bowl. You can drop some food coloring if the flow is too light to see.
Problems with other parts that control the flapper valve can also cause your tank to leak into your bowl. Call a professional plumber to closely inspect and solve the issue.
2- The Fill Valve
The fill valve uses a mechanism based on buoyancy to prevent the tank from overflowing. It has a seal that automatically shuts the fill valve once the tank is full. However, the seal can deteriorate with time and keep the water flowing even after the tank is full. Your tank will overflow if this is the case. Other reasons can cause your tank to overflow, but this is the most common one.
3- The Gasket Between the Tank and The Bowl
A gasket between the tank and the bowl acts as a seal to keep water from flowing outward. Over time, the gasket can harden up and deteriorate, causing water to leak from underneath your tank. This problem can grow with time. You should get it fixed the first chance you get, even if your toilet only wastes a few drips per minute right now.
Two bolts keep the tank tightly attached to the bowl. The rubber of these bolts also hardens up and deteriorates with time. This can also cause water to leak from the gasket. A professional plumber can identify and solve the root problem.

Hire a Master Plumber In Rockwall, TX
Professionals at Wasden Plumbing routinely handle all kinds of toilet leak repair in Rowlett and Rockwall, TX. Our professionals ensure you don’t face the same problem anytime soon, which is why we’re the most trusted plumbers in Rowlett and Rockwall, TX. We can also fix other weak parts of your toilet to prevent future leaks.
Want your toilet leaks repaired professionally? Contact us now!
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