Sloan Concealed Solenoid Assembly 24 Volt, Rough Brass.
A solenoid replacement assembly for concealed Optima ES (electronic solenoid) or Optima ES-S (electronic solenoid sensor) flushometers. This solenoid assembly is intended for flushometers operating with a 24V electrical supply. The solenoid is rough-brass and is located on the opposite side of the incoming water supply.