Engineered for performance, Zurn's AquaSense E-Z Flush Exposed Sensor Diaphragm Flush Valve saves water without sacrificing power and precision. The ZER6000-WS1-CPM-YB-YC's battery-powered sensor accurately detects the user for hands-free water closet operation. The most installation-friendly on the market, E-Z Flush valves come with the tools, batteries, and adapters needed to make installation quick and easy, along with the versatility to retrofit non-Zurn flush valves. Each flush valve contains a quiet GO BLUE dual-seal diaphragm with a clog-resistant bypass and chloramine-resistant seals for an extended lifespan and lower maintenance costs. The ZER6000-WS1-CPM-YB-YC has a durable, chrome-plated metal cover and comes with an exposed sweat solder kit and a cast wall flange. AquaSense is a high-performing, water-saving solution for any commercial retrofit or new construction project. Material: Brass.