Geberit 260 Dual Flush Outlet Valve Product Code ATS776The New Geberit Impuls 260 Flush Valve. This valve comes complete with the button but not the black foam washer shown in the picture. This valve is commonly found in the following close coupled toilet suites: Kohler, Parisi, R. A. K. Villeroy and Boch, Vitra etc. Please note: Some of the Villeroy and Boch suites have "Villeroy and Boch" etched on the button. These replacements do not (see photos). They are however, genuine Geberit replacements from