Electrically Operated Flushometers, Pushbuttons & Circuit Timers Sloan Royal ® and Regal ® Flushometers can be ordered with an optional "ES" Solenoid Operator. Model "ES" Flushometers are activated remotely by either an electronic timer or electric push button. Sloan Royal and Regal "ES" Flushometers offer solutions for installations that require timed, automatic, remote or other Flushometer control requirements. Alternative "ES" installations include: Urinal trough installations Replacement of old motor operated valve Timed cycles for water conservation Remote electric push button operation Control of flushometers by other electronic devices The EL-172-A Electric Push Button has the following features:ADA Compliant Non-Hold-Open feature type actuator Large Diameter, Spring Loaded Button Operates on either 120 VAC or 24 VAC Push Button mounts on a standard 4" x 4" 2-gang Electrical Box (not supplied by Sloan) Includes Wall Plate with four (4) Vandal Resistant Screws Circuit TimersSloan Valve Company manufactures a complete line of Circuit Timers for those applications in need of specific flushing