sprinklerguy68
Still looking for that elusive #25.
Hello all, new member here. I have a problem with my sprinkler system that I just can't figure out. I control the system using a rain bird ism timer with 8 zones hooked up to it. The system was originally installed in '68 so most of the zones have their original valves which still work. The rest of the zones use rain bird 100-dv valves. the zones with the 100-dv valves work fine, as well as one of the zones with the original valve. The other zones, however, don't work right. They turn on for a minute or two, then shut off, then turn back on for two seconds before shutting off again.
I verified that all the valves do in fact work, I checked all the connections (they're all good), and even replaced the master valve's solenoid which I thought was starting to go bad (master valve is also a 100-dv). The problem still persists, and I want to try to avoid replacing ALL of the old valves since they're a pain to remove (saddle clamps, copper nipples, dubious installations by college kids from the 60s). Any thoughts on what I should do?
I verified that all the valves do in fact work, I checked all the connections (they're all good), and even replaced the master valve's solenoid which I thought was starting to go bad (master valve is also a 100-dv). The problem still persists, and I want to try to avoid replacing ALL of the old valves since they're a pain to remove (saddle clamps, copper nipples, dubious installations by college kids from the 60s). Any thoughts on what I should do?