not enough pressure in all zones

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buikemakathy

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Hi,
We just turned on our system this spring. Everything thing starts up o.k but we have noticed a lack in water pressure compared to previous years. Any clue what this would be?
 

Gary Swart

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Just a couple of shots in the dark. Could be a main valve is not opened completely. Could be a leak in the line coming to the manifold. Maybe a defective backflow preventer.
 
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