Rain Bird 100ASVF 1" Anti-Siphon Irrigation Valve

1 in. NPT Anti-Siphon Electric Valve Pressure: 15 - 150 PSI 24 VAC 50/60 Hz Solenoid Anti-Siphon valves are installed above ground and will prevent backflow if properly installed. Anti-Siphon valves should always be installed at least 6" above the highest head on the valve line, and should never have another valve installed further down the line from the main valve. Our Anti-Siphon valves also feature our patented vacuum breaker–available for automatic or manual applications. All of our Anti-Siphon valves work with any standard sprinkler timer. Documents: ASVF Irrigation Control Valve Brochure - Long ASVF Irrigation Control Valve Brochure - Short ASVF Anti-siphon Valve Manual ASVF Valves Pressure Loss Troubleshooting and Maintenance Guide for Residential Automatic Valves and Valve Boxes