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main water line to house keeps breaking

6016 Views 4 Replies 4 Participants Last post by  whalens
My house is in CA and was built in 1992. The water line from the street to the house was/is PVC. The original line was Schedule 80 in the white non-fliexible type. It broke many times in the last 13 years during both summer and winter. I replaced it about 16 months ago with the Schedule 80 flexible grey color PVC and we buried it about 2 feet down. Now I have a leak again. I have checked the water pressure and it's at 70psi. The house is all PVC piping and none of the interior piping has had a leak. Does anyone have any idea why I might be having re-occuring problems?
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I assume you haven't noticed an obvious reason for the breakage, such as a dip in the soil near the break or rocks in the trench. I agree with using soft copper. Any ground movement will have an effect on solid piping that cannot "give" a bit. Your yard may suffer from "shear" effect where it moves in two directions at the same time.
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