American Standard Ultima Selectronic Touchless Toilet Flush Valve, Piston-Type, PWRX, 1.28 gpf/4.8 Lpf 6066121.002

The optional PWRX™ Long-Life Battery System features advanced battery and electronics for a 10 year battery life to reduce the downtime and maintenance costs associated with changing batteries. Self-Cleaning Piston with integral wiper spring significantly reduces clogging and maintenance Dezincification Resistant semi-red brass alloy Selectronic Proximity System with universal sensor provides hygienic, "hands free" operation State-of-the-Art Electronics prevent ghost flushing Fully Mechanical Manual Override Button can flush the valve without power Fail-Safe: Valve automatically closes upon loss of power or water pressure and does not need to be reset Sustainability CALGreen Compliant