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No pressure
On two of my zones that are in the same box get low pressure. everyting seems to be in good order. I have 2 heads on one of the zones two 6gpm because i have a 12gpm pump. and on the other zone has 5 heads which adds to 12 gpm. What could my problem be?? Should i clean out the screens in them??
The brand of sprinkler is toro super 700. They are 10 years old.
If you need anymore information let me know[8D]