Sydney Water backflow testing requirements

RM Plumbing can test your backflow prevention device in the Greater Sydney which is a legal requirement from Sydney Water Authority

If you do not test your device annually by a licenced backflow plumber to make sure it is working properly and the test certificate submitted to them within 2 day of test

Sydney Water will shut off your water supply until it is tested, so it is crucial you follow these requirments or you will be without water.