American Standard American Standard Selectronic 1.28 GPF Exposed Toilet Flush Valve for 1-1/2" Top Spud

Product Features:Electronic flush valve with Selectronic proximity system for hygienic "Hands Free" operationSelf-cleaning piston with integral wiper spring helps prevent clogging and reduces maintenancePositive seal ensures leak-free performanceFully mechanical manual override - allows valve to flush during a power failureFail-safe operation - valve automatically closes, and does not need to be reset, on loss of power or water pressureAdjustable sanitary flush - valve automatically flushes after 24 hour...