The KOHLER 1119360 Toilet Flush Valve Assembly helps control water release from the toilet tank for proper flushing. This replacement assembly operates when the flush mechanism is activated, allowing water to flow from the tank into the bowl and then closing to regulate the next fill cycle. A properly functioning flush valve supports consistent flushing, reliable water control, and ef... https://www.wholetoolbox.com/kohler-1119360-toilet-flush-valve-assembly/1119360.html