Zurn’s ZER6200-SM Exposed Sensor Flush Valves are engineered to perform efficiently and reliably. Its battery-powered sensor accurately detects the user for efficient hands-free water closet operation. Flush volumes range from 1.6 gpf down to 1.28 gpf. Equipped with a durable, chrome-plated plastic cover, this piston-type flush valve features a clog-resistant filtered bypass and chloramine-resistant internal seals to minimize maintenance costs and hassle. The ZER6200-SM comes with a sweat solder kit and wall flange with set screw for the finishing touch, making it an ideal water-saving solution for any commercial retrofit or new construction project. 1.6 gpf closet flush volume meets U.S. federal standard for water conservation.