Backflow preventers on fire lines

Fire line backflow

Springdale Water Utilities requires every backflow device to be tested within 10 days of installation and annually after that, under city ordinance.

Springdale Water Utilities says devices on fire protection services must be tested by an Assembly Testing Technician licensed by the Arkansas Department of Health.

Rogers Water Utilities in Arkansas says backflow devices on fire protection services must be installed by people certified by the Arkansas Fire Protection Licensing Board.

Rogers Water Utilities also requires testing within 10 days of installation and annually, citing city ordinance Sec. 54-88 and Arkansas Department of Health rules.

San Antonio Water System in Texas requires a backflow assembly on a fire line service to be tested by a licensed fire line tester.

San Antonio Water System states that annual testing of backflow prevention assemblies is required by the city plumbing code, city ordinances and its own rules.

Sources: All fire sprinkler lines need a backflow preventer; Fire line installers certified by the state board; Fire line testers in San Antonio