Improve the hygiene of your urinal with an American Standard selectronic FloWise concealed urinal flush valve. This electronic flush valve features American Standard"s selectronic proximity system for hygienic hands free operation. It features a self-cleaning piston to help prevent clogging and reduces maintenance. The positive seal on the flush valve ensures leak-free performance without the chance of warping or cracking. Although electronic, the flush valve has a mechanical manual override button which can flush the toilet during a power outage. The range of the sensor can also be adjusted manually or by a remote control. A state-of-the-art sensor eliminates false slushes to help save water, and allows the flush valve to meeting WaterSense criteria. The American Standard flush valve is also ADA compliant. The sensor and electronic controls are hermetically sealed to ensure reliable operation. The flush valve does an automatic flush after 24-hours of non-use to maintain trap seal and clean fixture. The flush valve is also smart enough to switch to a water savings mode during periods of heavy usage. During a power outage the valve will automatically close and remain close during start-up to prevent unnecessary water waste. The recommended water pressure for this unit is 25-125 psi and this unit comes chrome plated.