Marketing InformationEngineered for performance, Zurn's Metroflush ZEMS Exposed Hardwired Sensor Piston Flush Valves provide consistent and reliable motorized operation. This hands-free application features a contemporary, streamlined design while providing high-level performance, unsurpassed water conservation, and long-lasting savings. Each flushometer contains a quiet dual-seal piston with a clog-resistant bypass to prevent clogging the application and chemical-resistant gaskets and seals for an extended lifespan with lower maintenance costs. It also features an 11-1/2" rough-in and a 1-1/2" top spud. The ZEMS6200AV-WS1-YB-YC has a 1.6 gpf flush volume, a sweat solder kit, a cast wall flange, and an in-wall sensor powered by low-voltage hardwiring for a reliable power supply to keep the application running without power-related issues. It's a perfect performing, water-saving application for any commercial retrofit or new construction project.