Exposed sensor-operated Selectronic toilet flush valve for floor-mounted or wall-hung 1-1/2" top spud bowls. Features proximity sensor for hygienic hands-free operation, PWRX long-life battery pack, and self-cleaning piston that eliminates routine diaphragm or filter maintenance. Includes adjustable tailpiece, chemical-resistant EPDM seals, and vandal-resistant angle stop.

• 1.28 GPF flush volume
• 1-1/2" top spud outlet with high back pressure vacuum breaker, spud coupling and flange
• 1" inlet with sweat solder kit and angle stop with backflow protection
• PWRX 10-year battery system (4,000 flushes per month)
• Self-cleaning piston with integral wiper spring; dezincification-resistant semi-red brass body
• Operating pressure 25-80 psi; 25 gpm flow requirement
• Fully mechanical manual override; fail-safe automatic closure on power or pressure loss
• ASSE 1037, ASME A112.19.2, ADA compliant