SPRINKLER TALK FORUM - You Got Questions, We've Got Answers

My sprinkler system (toro valves) has 8 zones. everything operates normally up to zone 5. When zone five finishes and zone 6 comes on, zone 5 fails to shut off. When zone 6 shuts off so will zone 5 leaving zones 7 and 8 to operate normally. Any suggestions on what will cause this problem? The system was installed in 1997.

I suspect the problem could be

(1) the valve diaphragms are failing in the valve that controls zone 5 I also found out the valves I have are no longer made (flo pro 2800514). Will another model Flo pro valve diaphragm work? Or do I have to replace the valve manifold or

(2) the timer could be causing the problem. If it were the valve causing the problem why would it shut off after zone 6 finishes in theory it should continue to run with all the zones.

Any Suggestions?



Rich

I agree but...do you think it might be the controller causing the problem? I'm planning on changing the valves out soon, but if I could delay that would make life easier for me now.

Thanks for the suggestion!