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. Locate the float: It ...

The fill valve controls the amount of water that refills the tank, and it can wear out and need adjusting or replacing to keep your toilet flushing smoothly.

Your toilet is always there for you. Once you know how to fix the handle, the flush valve, and the fill valve, you'll be able to help in its time of need.

"It worked!" Home repair pro shares simple tips to stop your toilet from wasting water: 'Very helpful' first appeared on The Cool Down.