This premium 1-inch ball valve is specifically designed as a replacement component for Combraco Apollo Pressure Vacuum Breaker PVB4A 91B-105 systems. Crafted from durable brass construction, this tapped ball valve ensures reliable performance and smooth operation. The valve features a convenient lever handle with yellow grip covers for easy manipulation and control of water flow. Its robust construction makes it suitable for various pressure applications, while maintaining compatibility with existing PVB systems. The 1-inch size provides optimal flow capacity for standard installations, and the tapped design allows for proper integration with pressure vacuum breaker assemblies. This replacement valve maintains the integrity of your system while providing dependable shut-off capability when needed. Perfect for both maintenance replacements and new installations where a tapped ball valve configuration is required.