Why Is My Toilet Running Constantly?

A constantly running toilet is more than just a nuisance—it can waste hundreds of gallons of water and drive up your utility bills. If you’re dealing with this issue, here are the most common causes and simple solutions to stop the water from running.

Common Reasons Your Toilet Keeps Running

  1. Worn-Out Flapper
    The flapper is a rubber seal that controls water flow from the tank to the bowl. Over time, it can crack or lose its shape, allowing water to leak continuously.

  2. Float Issues
    The float inside your tank regulates the water level. If it’s set too high, water may overflow into the overflow tube, causing constant running.

  3. Fill Valve Problems
    A malfunctioning fill valve might fail to shut off the water supply when the tank is full.

  4. Chain or Handle Malfunctions
    A tangled chain or a handle that doesn’t return to its position can keep the flapper from sealing properly.

Quick Fixes to Try

  • Check and Replace the Flapper: Inspect the flapper for wear and replace it if necessary.

  • Adjust the Float: Lower the float level to stop water from overflowing.

  • Inspect the Chain: Ensure the chain has enough slack to allow the flapper to close completely.

  • Replace the Fill Valve: If the valve is worn out, consider replacing it with a new one.

When to Call a Plumber

If you’ve tried these fixes and the problem persists, it may be time to call a professional plumber. A running toilet can sometimes signal a deeper issue in your plumbing system that needs expert attention.

Don’t let a small issue lead to wasted water and high bills! Contact us today to get your toilet fixed quickly and efficiently.

Morry Berger

Owner & Operator of MJ Plumbing LTD

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What Causes Low Water Pressure and How Can It Be Fixed?