So your bet (Wet Boots) is that somewhere in my 45 values, there is an intermittently defect valve that needs to be located and fixed/replaced. And that the controller is not likely the problem... Correct? I'll start the detective work!
I have a problem with zones/circuits intermittently operating with low output - say around 1/10 of normal. The same zone will run fine most of the time, but then I'll find that it only has partially turned on at other times. This is across most of the zones of my system and it is intermittent. Last night I turned on a zone and half way through a 50 minute cycle, the output had decreased to approx 1/10 of normal. I checked the pressure on the well (well only serves the irrigation system) and it w...