The heart of your toilet’s functionality lies in the fill valve and the float. When either of these components isn’t doing its job, water may continuously flow. Here’s how to figure out ...

A toilet flush valve controls the flow of water from the tank into the toilet bowl. It is made of a valve body, a flapper, and a chain. When you flush, ...

Flush the valve. Turn off the water, remove the cap (some twist off and some have screws) and turn the water back on again to clear out debris. Adjust the valve.

Models with a beefy 3-, 3½-, or even 4-inch-wide flush valve deliver more thrust in our tests than those with a 2- to 2½-inch valve. Ask to see the manufacturer’s specifications for the flush ...

Save water—and your sanity—by learning how to fix a running toilet in no time. An easy home repair could be as simple as getting a new flapper chain or adjusting the water level ...

A toilet flush doesn’t have the velocity of a sneeze, which can send droplets spurting up to 100 miles per hour, or even a cough, whose droplets can travel up to 50 miles per hour.

How to Repair a Running Toilet 1. Adjust the Float. The float arm controls the water level in your tank. If it’s set too high, water will keep running into the overflow tube.