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Tuesday, May 22nd 2012, 3:46pm

Pressure won't change

I have two zones that the pressure from the pump/tank does not cycle from 40 to 60 PSI. It stays right at 42 PSI. I have a 1hp deep well pump and a 38 PSI tank. The other 7 zones cycle perfectly. This is a lawn irrigation system. both zones have about 7 heads in them. Please respone via the email address below also since I cannot monitor this site frequently.
Tim Maslyn
Spring Hill, FL,


Supreme Member

Posts: 4,814

Location: Metro NYC


Tuesday, May 22nd 2012, 5:30pm

In a good well-water sprinkler system, the flow in a zone is a perfect match for the output of the well, because too-rapid pump cycling is not good for the pump. In other words, the two zones you are worried about are the two zones you should not be worried about.

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