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Dale

Starting Member

1

Wednesday, June 9th 2010, 3:49pm

1 ZONE HAS LOW PRESSURE

rECENTLY, 1 ZONE HAS LOW PRESSURE. i CHANGED OUT THE VALVE AND STILL LOW PRESSURE. i SHUT ALL THE SPRINKLER HEADS OFF AND STILL LOW PRESSURE. THERE ARE NO VISIBLE WET SPOTS ON THE GROUND LIKE FROM A BROKEN PIPE. I'M AT A LOSS. PLEASE HELP!!!

mrfixit

Moderator

Posts: 1,469

Location: USA

2

Wednesday, June 9th 2010, 9:07pm

Something's broken. Could just be a riser. Could be the pipe. One time I ran across a broken pipe where the water didn't surface for 75 feet under the neighbors driveway. It went all the way down under the sidewalk and out a crack in their driveway. If the pipes are near cement or big trees you might need to let the water run longer before it surfaces.

I keep forgetting this part. We don't have much poly pipe in cal. Could be a pinched line.

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