I am very much interested in purchasing a ez green system. I have a question about how to install it into my present system. I am using a pump with a 1 1/2" output (mainline) then it goes in to four zones, one 1 1/2" valve and the other three are 1" valves. The system is controled by a rainbird controller. I am sure the ez green would have to go between the pump and the valves, but this piece of pipe is 1 1/2". Also each zone runs 1 hour everyday. If the ez-green was being used every time the sp...
