DVS Flush ValveDVS WC Flush Valve The DVS Flush Valve is a great choice for any washroom environment. This flush valve can be coupled with sensors or tactile buttons from KWC DVS to provide a reliable flush. Both auto flush and wave on flush options have a dual flush capability although a single 4 litre flush is recommended. This flush valve has been designed to be easy to install and is also compatible with most WC cisterns on the market. Therefore there is no need