Lawn Genie L4010 Anti-Siphon Valve, 1 in, FNPT, 75 to 150 psi Pressure, 0 to 30 gpm, PVC Body

Featuring a jar-top bonnet for easy access to diaphragm for quick maintenance inspections, this valve has built-in backflow prevention. The built-in prevention is designed to protect drinking and other household water from contamination. The Lawn Genie 1 in anti-siphon valve manually activates zone sprinklers with the simple turn of a handle and provides optimum performance even in potable or dirty water conditions.