This 1 In. Brass Automatic Anti-Siphon Valve prevents contaminants from entering household water supply. The durable brass valve is easily installed for years of durable trouble-free service. As a universal valve, it works with standard residential 24-volt sprinkler systems. Precise flow-control adjustment reduces sprinkler fogging and over-spray, and the manual on/off option and bleed screw make testing and flushing your sprinkler system hassle-free.

• Anti-siphon prevents contaminants from entering household water supply
• Flow-control adjustment reduces sprinkler fogging and over-spray
• Manual on/off ideal for testing and flushing sprinkler system
• Works with standard residential 24-volt sprinkler systems
• High-quality brass construction
• Listed by International Association of Plumbing Mechanicals Office (IAPMO)