Requirements
Requirements for Installing a Pressure Vacuum Breaker Device
- Must be installed 12" above the highest piping in the system
- This ensures that backpressure due to elevation is not created
- The device cannot be installed more that five feet above ground
- Must be installed in situations where the device will undergo continuous supply pressure for long periods
- Can only be used as an isolation device, unless the device is installed on an irrigation system served by a separate service line
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