Depressurizing the system before maintenance prevents sudden water discharge and reduces the risk of injury or equipment damage.
Backflow can allow contaminants, including chemicals and bacteria, to enter the potable water supply, posing serious health hazards.
Many local regulations require annual testing of backflow prevention assemblies to ensure proper function and compliance with safety standards.
The American Water Works Association (AWWA) establishes guidelines and standards for backflow prevention devices to protect public water supplies.
The Environmental Protection Agency (EPA) sets national regulations for backflow prevention to ensure the safety of public drinking water supplies.
Industrial facilities using hazardous chemicals require RPZ assemblies because backflow could introduce dangerous substances into the potable water supply.