How to Fix a Running Toilet

Check inside the toilet tank for a leaky flapper, bad fill valve, or overflow pipe at the wrong height.

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Hacksaw
  • Pliers

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Depending on your fix, you may need a new fill valve