The EL-104 solenoid adapter is a solenoid repair kit replacement for Optima® ES and ES-S (electronic solenoid sensor) flushometers. Optima® ES electronic solenoids are for the Royal®, Crown®, Regal®, and Sloan® style flushometers. The EL-104 solenoid adapter is intended for flushometers. The EL-104 is located on the opposite side of the incoming water supply. Sloan offers additional solenoids and solenoid repair parts based on your flushometer needs.
