The system works
MICRO Plumb Products 8-I/O Control Module. Eight input/output field programmable control module to control lavatories, water closets, showers or combination fixtures.
MICROPlumb Products Push Button Assembly. Waterproof push button for use with any MICRO Plumb controller. Used on fixtures with "D" shaped hole. May be used to activate flushometer, lavatory and shower solenoids.