backflow prevention test Archives - Durance Plumbing

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Backflow Preventer Testing

The Inspection and testing of backflow preventer valves is required by the WSSC to keep contaminated water from infiltrating our drinking water.  Why the is Backflow Inspection Test Needed? Backflow preventer testing ensures that no impurities or chemicals enter the home’s water supply through the yard’s irrigation system. The tech tests up to 10 feet […]

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