DVS FlushmaticFlushmatic Urinal Control The DVS Flushmatic Urinal Controller is a sensor operated system designed to save water (up to 80%) and promote hygiene in washrooms that have multiple urinals. It can be surfaced mounted on either the wall or ceiling and uses a passive infrared (PIR) detector to sense movement. When someone enters the sensing area, the unit activates a pre set timer. After a set amount of time, the solenoid valve opens to let water into the