Mount the Battery Operated Controller on 3/4" Anti-Siphon Valve above the ground and above the sprinkler to prevent water from back siphoning into the water supply.
The C003 (DIG 2008) is a one station battery operated controller with a 3/4" anti-siphon valve. For sprinkler or drip systems in residential application, this easy-to-program battery operated controller use one nine-volt alkaline battery that can last from one to two years. The C003 featured a large LCD display with six simple programming buttons. This battery operated controller can be used in any location and can be connected into a PVC pipe using a male pipe thread adapter. This battery operated controller with integrated anti-siphon valve should be installed 8” to 10” above the ground and above the sprinkler line to prevent water downstream of the valve from back siphoning into the water supply This unit should be operated in a pressure range of 25 to 125 PSI.