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3N640 N. 17th Street
St. Charles, IL 60174
phone: 630-377-3608
fax: 630-377-2833
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Backflow Preventer Leakage
Leakage from a backflow preventer is normally attributed to foreign matter lodging on the seating area of the internal check valve seats. The majority of the time this can be corrected by simply flushing the device, which will dislodge any loose particles. However, the spillage for the dump port does provide a "warning signal" that the device is in need of maintenance.
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