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Home » Backflow Testing, Repair, Installation » Double Check Valve Assembly Below Grade Failed the second check valve

Double Check Valve Assembly Below Grade Failed the second check valve

We had to pump water out of the valve box. Testing revealed a failing second check valve, not holding tight above 1.0 PSI. Access was not great, but we managed. We cleaned out debris an were able to get a good result on the second backflow inspection.

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