Three of the most common toilet problems. Toilets are simplistic in design and functionality, aside from the toilet coupler that holds the toilet cistern in place on top of the toilet. The other operational parts consist of an incoming float valve button/handle and a syphon. Three common toilet problems are leaks, a failure to produce enough force during a flush. And sometimes the constant sound of the water running. A toilet operates in three stages, all of which are connected to the movemen...