SOLENOID REPLACEMENT KIT: The Sloan ETF-740-A faucet solenoid assembly is a replacement kit and assembly designed for use with Sloan Optima EBF sensor faucets. Compatible models are the EBF 550, 615, 650 and 750 series sensor faucets. SOLENOID FUNCTIONS: The solenoid controls the flow of water within the faucet, when a user activates the faucet, the solenoid receives an electrical signal that causes it to open the valve, allowing water to pass through the spout. COMPATIBILITY CHECK: The replacement kit is specifically designed to work as a part for our line of Sloan Optima EBF faucets. 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.