About the Sloan Royal 603 ESM-3.5-HW-24V Concealed Solenoid Hardwired Water Closet Flushometer, Less Sensor (3918141)
Sloan Royal 603 is a Concealed electronic operated water closet Flushometer, for stainless steel combination fixtures. For use with: Acorn, Bradley, Metcraft (Series 3000), Willoughby and similar fixtures. 3. 5 Gpf. Specify wall thickness for proper length of flush connection for china fixtures. A 3-1/4 In. flush connection is supplied for stainless steel fixtures. 24V Electronic Prison flushometer