The Zurn Industries ZH6152AV-WS1-11L AquaVantage® Concealed Manual Diaphragm Flush Valve is a robust, commercial-grade solution designed for high-performance restrooms in restaurants, hotels, and other commercial facilities. With a 1.6 gallons per flush (GPF) rating and 24" rough-in, this valve is engineered for efficiency, durability, and low maintenance—critical factors for busy commercial kitchens and restrooms. Its clog-resistant triple filter diaphragm and chemical-resistant gasket and seals ensure long-lasting performance, even in high-traffic environments where wear and tear are common. Whether you're upgrading an existing system or installing a new one, this manual flush valve delivers reliable flushing while meeting water conservation standards, making it a smart choice for facility managers prioritizing both performance and sustainability.