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, the chain lifts the flapper and water flows from ...

The way a toilet works is a mystery to most people. But like many mysteries, a closer examination may reveal that the toilet isn’t really very mysterious at all. In fact, this device is ingeniously ...

Q: My toilet is causing me fits. The water from the tank is slowly leaking into the bowl, and I can’t figure out why. I have replaced the flapper, but the problem persists. What else should I do? A: ...

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How to Confirm the Flush Valve Needs Replacement Dye Test: Add a few drops of food coloring to the tank water and wait for 15-30 minutes without flushing. If colored water appears in the toilet bowl, ...