The Selectronic concealed sensor-operated toilet flush valve from American Standard helps to save the most water, with a maximum flow rate of 1.1 gallons per flush, without sacrificing performance. A convenient proximity sensor makes using the toilet flush valve easy, clean, and effective.

This flush valve is designed for use with floor-mount toilet bowls with a 1-1/2" exposed back spud. The valve has self-cleaning piston operation with integral wiper spring prevents clogging and reduces maintenance, chemical-resistant EPDM seals, a stadium feature that automatically to water-conservation mode during periods of heavy usage, and a sanitary flush feature that automatically flushes after 24 hours of non-use to clean the fixture and maintain the trap seal. Comes with a vandal-resistant, stainless steel wall box with front access. The wall plate with sensor measures 15-7/8" wide x 11" high.

Includes a 1" IPS angle stop with backflow protection and hand wheel, 1" sweat solder adapter, and a 1-1/2" vacuum breaker with spud coupling and flange. Does not include the power supply. Power kits options PK00.CRP, PK.WRK, PK00.PAC, PK.MAC, and PK00.HAC are sold separately.

• 1.1 gpf
• Proximity system for hygienic hands-free operation
• State-of-the-art electronics prevent ghost flushing
• For floor-mount back spud toilets
• Adjustable tailpiece for rough-in flexibility
• Manual override allows flushing during power outages
• Chrome plating on exposed parts
• Dezincification-resistant semi-red brass alloy
• Includes wall box with front access
• Requires power kit sold separately