Replace the whole valve or the "guts"? Thanks Wet_boots.
Thanks for the response Mick. The problem started a few days ago after the last two months and last fall was working perfectly after completely replacing valves 1,2, and 6 and rewiring that box with a new control box (not the model I just installed). The tops are secured tightly, and I don't notice any hairline cracks in valve 2 though I will check again. Again it has a new diaphragm and solenoid. I learned the hard way about cracks when I over tightened my solenoid replacement, thus the need to...