The flush valve (aka Douglas valve) is what the flapper sits on. It is located in the center of the tank and has the overflow pipe rising out of it. Stick you arm into the tank ...

Dallas City Manager Kim Tolbert wrote in a memo Monday that the flooding was caused by a failed flush valve on a toilet in the men's restroom adjacent to the council chambers.

Beirut, 6 July 2011: Style, elegance and innovation - wholistic attention to small details is key to creating modern designer bathrooms. This approach extends even to items such as WC flush plates ...