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One zone has low pressure

I have checked the sprinkler heads and changed most, but there doesn't seem to be enough pressure to lift the rest of the heads. It has noticeably less pressure than the other three zones. I have tried to open the valve more, but since this system was inherited I haven't got a manual to work with so I don't know how to actually open them. Any advice?

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  • Garden Master
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Try getting information from the manufacturer.

Posted on Apr 12, 2014

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Posted on Jan 02, 2017

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