Got it all fixed! My neighbor helped me out and we get everything repaired. Can you believe he's a plumber? How lucky am I? The plumber at Lowes was helpful but you can't beat having a plumber as a neighbor. Time to get to know all the neighbors. Thanks for the suggestions. Now I'm off to get a controller to replace my antiquated Rainbird RC-7Bi (which doesn't seem to be keeping time). I'm sure you'll see me over in the controller forum next.
Thank you very much for the detailed response. Unfortunately, the two bad valves are leaking at the threads. I ended up speaking with a master plumber and he showed me the areas he thought were best to cut. I am honestly so frustrated with this that I'm about ready to hire someone. I now know how folks feel when they call me because their computer quit. I think I'll sleep on it and see if I feel like messing with it tomorrow. Thanks again mrfixit!
I've been perusing the forums for a while and have learned quite a bit - thanks and glad y'all are here. I had a zone go out on a system built back in '91. I troubleshot it down to the diaphragm. Since I have all three valves dug up, I figured I might as well replace all three. They're old and probably need some proper maintenance. I purchased three Hunter PGV valves - the boltscrews sold me. I have: Tape Adhesive/cement PVC Cutters 1" compression coupling (figured this would be easy - 2nd pic, ...
