If you run a restaurant, cafe or takeaway in Sydney, a Sydney Water notice for backflow testing often arrives during a busy week. You want to know what the tester will do and how it affects service. This guide explains backflow testing for restaurants in Sydney from arrival to lodgement, what gets checked, how long water is off and what you receive. Why Restaurants In Sydney Need Backflow Testing Most food premises are rated medium to high hazard. Dishwashers, chemical dispen