Previous slideNext slideFlushometers/Royal®ROYAL 154 ESRoyal® Concealed Solenoid (less sensor) Hardwired Water Closet FlushometerFind partsWhere to buyAdd to DesignSpecSpecificationsFeaturesFlush volumes start as low as 1.28 gpf/4.8 LpfFlush accuracy is controlled by CID™ technology, also enhancing water efficiencyIntegrity of the product is maintained with the vandal-resistant stop capDurability is facilitated with high copper, low zinc brass castings for dezincification resistanceAdjustable tailpiecePERMEX® 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 1037DetailsDownloadsCompliancesVideos