BASYS CROWN KIT: The Sloan EFX-1A infrared standard crown kit is designed as a replacement part for the BASYS line of faucets. It has a bowed crown design and chrome plated finish to match your faucet. Included is a hex key/allen wrench to make for easy installation. INDICATOR LIGHTS: On the side of the crown are indicator lights that can be used for multiple diagnostics including battery life, solenoid condition and power-up mode. All electronics are sealed to an IP-67 rating and the electrical contacts are gold plated. COMPATIBILITY CHECK: The crown kit is specifically designed to work as a part for our line of BASYS 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.