Backflow valve testing is a critical process that ensures your property’s drinking water remains clean, safe, and free from contamination. A backflow valve (also known as a backflow prevention device) stops dirty or polluted water from flowing back into the main water supply — which can happen due to sudden pressure changes in your plumbing system.
When pressure drops (for example, during a pipe burst or firefighting event), water from external sources like garden hoses, irrigation systems, or industrial chemicals can be sucked back into the clean water line. This poses serious health risks, especially in commercial and high-risk environments.
A backflow valve test checks whether your device is working correctly. During the test, a licensed plumber will:
Isolate the valve from the system
Use specialist tools to measure pressure levels
Ensure the valve components are operating properly
Identify any faults or signs of wear
Issue a compliance report or certificate
In many parts of Australia, backflow devices must be tested annually — especially for businesses, schools, medical facilities, and properties with medium to high risk of contamination.
At BackFlow Testing Co, we provide certified backflow testing across Brisbane, helping homes and businesses stay compliant and safe.
Need a test? Contact our team today to book your annual backflow valve inspection.
