HYDRAULIC ACTUATOR ASSEMBLY: The HY-109-A is a hydraulic actuator assembly with a rough brass finish, designed for use with Sloan Royal ES-S flushometers. HYDRAULIC CONTROL: The HY-109-A is designed to manage the flow and pressure of hydraulic fluid, converting hydraulic energy into mechanical motion. This ensures reliable and efficient flushing operation. COMPATIBILITY CHECK: This hydraulic actuator assembly is designed to be compatible for Sloan Royal ES-S flushometers. Flushometers that fail to flush may need replacement parts. Always make sure to check part compatibility to ensure a quick, hassle-free repair. SLOAN GENUINE PARTS: Extend the life of your Sloan products. Our products perform at their highest levels when maintained exclusively using Sloan Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Sloan specifications, specifically designed for the most reliable commercial restroom products. This means fewer repairs and protects your investments. WATER CONNECTS US: Every day around the world, Sloan products connect the systems that manage our planet’s most precious resource. As the world’s leading manufacturer of commercial plumbing systems, we’ve spent more than a century pioneering smart, water-saving restroom solutions that are built to last a lifetime.