Backflow Preventer Q & A

Backflow testing, backflow repair, backflow replacement

Backflow QuestionsWhat is a backflow preventer?

A Backflow Preventer is a mechanical device operated by spring loaded check valves. These devices may be installed on your irrigation system, fire system, water meter, or domestic.

Why is one needed?

A backflow preventer prevents potable water from cross connection contamination.

Why must backflow preventers be tested on a minimum yearly basis?

Backflow devices must be frequently tested because backflow devices are spring loaded and mechanial devices which do malfunction and wear out. Backflow can be very harmful to humans.

Who may test backflow devices?

Only a certified and active tester certified by the BC Water & Waste Association, www.bcwwa.org may test backflow devices.

Who may service, install and repair backflow preventers?

Service, installation and repair of Backflow assemblies must only be done by a licensed plumber with an additional licence in cross connection control.