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Old 06-12-2019, 03:09 AM   #1
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Default Home Irrigation Advice

In case someone here is good with home landscape irrigation...

I have an irrigation zone that isnít spraying. I replaced the valve already. When I manually operate the valve, I hear the whoosh of water charge the line but only get barely any water oozing from the sprinkler heads (literally itís just damp at the sprinkler at most). I donít hear continued water through the valve once it charges and no leaks spring up anywhere. So I know the issue is somewhere between the outlet of the valve and the zone.

Hereís where it gets more complicated. The city recently replaced the concrete sidewalk where Iím 99% sure the main line runs underneath after exiting the valve. This work was done over the winter, but last fall this zone worked just fine with good pressure. It seems to me the contractor must have crushed the irrigation line, but could it be something else? Yes I have some big maple trees growing, but I wouldnít think a root system would strangle an irrigation line over the winter and not allow almost any water through.

Thoughts?
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Old 06-12-2019, 05:34 AM   #2
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Default Re: Home Irrigation Advice

Are you certain you installed valve properly?

Sounds like the sprinkler supply line may have been crushed. Especially if it was schedule 200. Time to start digging, investigating.


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Old 06-12-2019, 11:42 AM   #3
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Default Re: Home Irrigation Advice

Sounds like your line could have been damaged with the sidewalk construction. I'd disconnect the irrigation pipe on the outlet side of the zone valve and open it manually. If water comes out strong, as it should, I'd then expose the irrigation pipe on the far side of the sidewalk, cut into it, and install a temporary pipe (or hose even) from the zone valve to the irrigation line. If the head then work, there is your damage. I'd be that is it.
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Old 06-12-2019, 12:02 PM   #4
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Default Re: Home Irrigation Advice

You haven't mentioned anything about checking the sprinkler head. Heads do get clogged and or damaged. I would have started with the sprinkler head and then the valve. Sounds like your irrigation pipe got damaged but still start with the head before you go digging up pipe.
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Old 06-14-2019, 12:36 AM   #5
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Default Re: Home Irrigation Advice

Thank you! I’ll post on here once I confirm the culprit.
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