The EL-1101-A diaphragm performance assembly is a replacement kit for water closet Royal® Optima® ES-S (electronic solenoid sensor) style flushometers. The EL-1101-A diaphragm performance kit is intended for the electronic solenoid and actuators operating with a 24V or 120V electrical supply.

The EL-1101-A includes:

A-1041-A 1.6 gpf dual-filtered diaphragm

EL-128-A actuator

H-553 tailpiece o-ring

V-651-A vacuum breaker assembly. 

MFG# 3345013