When is a Backflow Preventor Required?

A Backflow Preventor is required in; Commercial buildings, residential buildings 3 or more stories, buildings with irrigation systems, and buildings that require fire lines.

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1. What is a Backflow Preventor and why do I need it?
2. When is a Backflow Preventor Required?
3. What is the Backflow Assembly Test?
4. Why do I have to perform the Backflow Assembly Test?
5. Where can the Backflow Assembly Test be reported?
6. What is BSI?
7. Who can I use for the Backflow Assembly Test?
8. What if I don’t have a Backflow Preventor but received the letter for the Backflow Assembly Test?
9. Who is responsible for reporting the Backflow Prevention Test?