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 ...

The float, the flapper, or the fill valve are the most likely causes of a toilet running continuously. You can perform easy tests like monitoring water movement to help identify the cause. Whichever ...

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 ...