DVS WC Flush Valve Kit With SensorDVS Sensor Operated WC Flush Valve Kit The DVS WC Flush Valve Kit With Sensor is a hygienic and efficient solution for any washroom. It uses a sensor with a 3M cable that is simply activated by a wave of your hand in front of the sensor to activate a measured flush. This kit comes in four variants: WC03 002 1 1 2" Flush Valve Base Mains Powered WC03 003 2" Flush Valve Base Mains Powered WC03 050 1 1 2" Flush Valve Base Battery Powered WC03 051 2"