The seat disk predates the Korky flapper, so your toilet must be really old if it has a flush valve that uses one. It’s a flat rubber disk that fits over the valve opening, held in place by water ...

On this page, you'll find a helpful explanation on how a toilet works, with toilet plumbing diagrams and definitions of ...

Q: My toilet will start running and then suddenly stop for no reason. It is keeping me up at night. What can I do? A: It sounds as if you either have a ghost inhabiting your bathroom, or you need to ...