Im new to nerf, but i have been making homemades for a little while. I resently have been working on a homemade useing a solenoid sprinkler valve, but i have been having trouble getting it to work. Does anybody have any experience with solenoid valves that could help me? Is it possible to run the solenoid valve off of 9v batteries? I bought a rain bird 3/4 in. automatic sprinkler valve. There is a picture of it at this link: http://www.rainbird....s/valves/cp.htm