DIGs 24VAC, 3/4 universal, heavy-duty plastic anti-siphon valves with a solenoid are for above-ground installation and for use with all AC controllers in residential or commercial irrigation. Designed for reliable operation, the anti-siphon valves feature a flow control handle for flow adjustment and manual shutoff, internal manual opening via the solenoid and external bleed via the bleed screw for smooth opening and closing.