American Standard Selectronic Exposed Sensor-Operated Toilet Flush Valve, 1-1/2" Top Spud, Dual Flush, 4.8/4.2 LPF / 1.28/1.1 GPF, PWRX

American Standard Selectronic® Exposed Sensor-Operated Toilet Flush Valve, 1-1/2" Top Spud, Dual Flush, 4.8/4.2 LPF / 1.28/1.1 GPF, PWRX™.

PWRX™ long-life battery system: advanced battery and electronics reduce the downtime and maintenance costs associated with changing batteries. Safety circuitry prevents overheating in case of short circuit and protects the electronics from damage. Self-cleaning piston with integral wiper spring.
significantly reduces clogging and maintenance. Selectronic® proximity system with universal sensor provides hygienic "hands free" operation.
State-of-the-art electronics prevent ghost flushing.
Dezincification resistant semi-red brass alloy.
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.
Adjustable sanitary flush cleans the fixture and maintains the trap seal.
Chemical-resistant EPDM seals for extended life.
High back pressure vacuum breaker.
Adjustable tailpiece.
Range can be adjusted manually or with optional remote control.
No external volume adjustment.
Can be installed left or right handed.