Thanks for the quick response. I live in Colorado, so winterizing is a must. I am not sure of the mechanics of the valve, so I have not ventured into them too deep yet.
Yes, the water does seem to flow even with the timer off. As I feel each of the the water lines going to the different zones, it feels like water running through them and the heads in the respective areas seep water, but never pressurize. I can hear a series of what sounds like clicking at the various valves.
Again, thank you for helping the new guy.