Fire hose reels. Commercial bin wash areas. Commercial kitchens. Chemical areas. Pool top-up systems. Irrigation water supplies. Water tank systems in town water areas.
They prevent contamination of the mains water supply.
Sewerage from being sucked back into the drinking water.
Chemicals from irrigation systems entering the water supply.
Pool water from re-entering water supply.
See the Sunshine Coast Council website for more information on Backflow Prevention Devices
To make sure they are functioning correctly. To ensure the correct device for the application. It is a mandatory requirement that all backflow valves are tested annually and the reports sent to your local council.