The Atmospheric Vacuum Breaker is designed to prevent contaminants from entering the main water supply through sprinkler heads. It is not designed to be used as a mainline anti-siphon device.
- Prevents contaminants from entering the main water supply through sprinkler heads
- Not designed to be used as a mainline anti-siphon device
- Up to 150 psi
- Heavy-cast brass body
- For outdoor use with cold water only