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Starting Member


Sunday, May 12th 2013, 3:57pm

low pressure at one zone too

I have a well pump just for sprinkler system, nelson brand for about 14 year old
last year I winterized myself, and notice zone 5 was not much water coming out.
this spring zone 5 has low pressure, although the sprinkler head popped up, and the water can come out, it is no mist at all. I tried to clean the zone 5 valve myself, no use, I can't tell whether the valve is good or not. I also measured the pressure while the zone 5 is on by attaching the pressure meter to the well water faucet outside the house, and it read 20psi. The other zones have 40psi...
Does this basically indicate that I have a leakage at the zone 5? if so, how can I find where it might be?
I changed one of the sprinkler heads last year in zone 5 using Hunter PCP, the pressure at that time was OK...

Your advice and thoughts are really appreciated.


Active Member

Posts: 46

Location: Kansas City


Sunday, May 12th 2013, 5:37pm

I would start with the head you replaced last year. It sounds like you have exceeded your available flow for the zone. I would change the nozzle to a lower flow rate and see if the helps the zone.

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