Previous slideNext slideFlushometers/Royal®ROYAL 186 ESS28 variationsRoyal® Exposed Sensor Hardwired Urinal FlushometerFinishFlush Volume (gpf)0.1250.250.51.01.5View all filtersFind partsWhere to buyAdd to DesignSpecSpecificationsFeaturesSensor-activated, hardwired urinal flushometerPERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed BypassDurability is facilitated with high copper, low zinc brass castings for dezincification resistanceAdjustable tailpieceCritical components, including cover, valve body, control stop and sweat solder kit, are made of semi-red brassPERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed BypassValve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red BrassValve shall be in compliance to the applicable sections of ASSE 1037DownloadsVideos