ASD8663 Features: * Selectronic * Exclusive Pressure Compensation feature allows the flush valve to deliver a constant flush volume regardless of water pressure, Flush Valve can not be adjusted to deliver more or less water, ensuring water savings and performance * Electronic flush valve with Selectronic proximity system for hygienic ?Hands Free" operation, Self-Cleaning Piston helps prevent clogging and reduces maintenance * Positive Seal ensures leak-free performance without the chance of warping or cracking, Fully Mechanical Manual Override Button can flush toilet during a power outage * Range can be adjusted manually or by remote control, State-of-the Art electronics eliminates false flushes, Sensor and Electronic controls are hermetically sealed to ensure reliable operation * Sanitary Flush - valve automatically flushes after 24 hours of non-use to maintain trap seal and clean fixture, Stadium Feature - valve automatically switches to water savings mode during periods of heavy usage * Fail-Safe - valve automatically closes on loss of power; remains closed during start-up, 3 second flush delay, Low Battery indicator * ADA compliant, can be installed left or right-handed, recommended water pressure: 20 psi (flowing) - 80 psi * Repair Parts * Repair Parts Faucets Amstd