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Sprinkler Heads
I have three values setup in my back yard controlling three different area. In two area, the sprinkler heads work fine , but in the third area, the heads will not pop up or bearly pop up. what is the problem? How can I get this third area to worl properly?
Let that zone run for awhile and check for a leak by walking through that area. Leaks can take several minutes to show. That would be your first step. If there is no indications of a leak than locate that zone valve and check it by turning on manually. If you still have a problem after that then you most likely have a valve diaphram/seat problem. There are a number of possible reasons. You just need to go through a trouble shooting process and start eliminating the possibilities until you figure it out. I hope that helps