Sloan SOLIS Flushometers for water closets and urinals use light to charge a highly efficient capacitor, providing power even in rooms with occupancy-controlled lighting. The solar-powered, sensor-operated flushometers are available in single-flush and dual-flush models. The dual-flush model has two flush cycles: 1.6 gpf flush for solid waste or 1.1 gpf for liquid waste. Users who stay within the sensor range less than a minute activate the reduced flush; users who stay longer activate the full flush.
Sloan Valve Co.