Concealed Electronic Solenoid Housing Nut
The EL-166 solenoid housing nut is a solenoid repair kit replacement for Optima® ES and Optima® ES-S (electronic solenoid sensor) flushometers. Optima® ES electronic solenoids are for the Royal®, Crown®, Regal®, and Sloan® style flushometers. The EL-166 solenoid housing nut is intended for concealed flushometers. The EL-166 is located on the opposite side of the incoming water supply. Sloan offers additional solenoids and solenoid repair parts based on your flushometer needs.
