Sloan Valve Company V500AA Vacuum Breaker

The Sloan V-500-AA Vacuum Breaker is a 1-1/2 in. x 15 in. atmospheric backflow-prevention device designed to install on Sloan flushometer valves and protect the potable water supply from back-siphonage. This V-500-AA variant is listed in Sloan’s catalog family as a vacuum-breaker assembly for flushometer systems and is commonly offered with a polished chrome finish. It accepts 1-1/2 in. connections and is used with Sloan flushometer equipment in commercial restrooms that serve urinals and water closets, helping ensure code-compliant backflow prevention during valve operation. Catalogs show multiple tube-length configurations within the V-500-AA line to accommodate different fixture arrangements, with 9 in., 15 in., 24-1/2 in., and longer variants appearing in distributor listings to match installation needs. Maintenance and replacement are handled through Sloan repair parts and assemblies within the V-500-AA family. Sold and stocked by plumbing distributors and retailers, this vacuum breaker is part of Sloan Valve Company’s long-standing line of flushometer components, designed to integrate with Sloan’s flushometer hardware for reliable leakage control and backflow protection.