The Bushfire Attack Level (BAL), rating depends on factors like surrounding vegetation type, the slope of your property, and the distance between your home and vegetation. Establish the likely direction of bushfire attack to help determine your system requirements.
You can now decide on a system to suit your situation.
BAL Low - Portable System.
BAL 12.5 to 19 - Fire Fighting Pump, Portable or Fixed Sprinkler.
BAL 29 to FZ - Fire Fighting Pump, Portable or Fixed Sprinkler.
Our recommendations are just that, your system is unique to your situation.