DIAPHRAGM PERFORMANCE KIT: The Sloan A-1001-A Water Closet Diaphragm Rebuild Performance Kit is designed for Regal flushometers with 4.5 GPF. The kit includes all the necessary components for a successful rebuild. INTELLIGENT DESIGN: Our Diaphragm Assemblies are specially crafted to limit water closet and urinal water consumption. Worn-out diaphragms can lead to water waste or incorrect flushing amounts. Optimize your flushometers to reduce costs, preserve water, and promote sustainability. COMPATIBILITY CHECK: The rebuild kit is specifically designed to work as a part for our line of Regal flushometers. 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.