The EL-197 electronic box mud ring is a replacement kit for concealed Royal®, Sloan® or Regal® Optima® ES-S WB (electronic solenoid sensor with wall box access) style flushometers. The EL-197 repair kit assembly does not include the sensor or mounting hardware, and is intended for concealed electronic ES-S WB flushometers. The EL-197 4x4 open front mud ring will be located within the lower or upper half of the stainless steel wall plate and operates with a 24V electrical supply. Sloan offers additional sensors and repair parts based on your flushometer needs.
