The Orbit 3/4" Atmospheric Vacuum Breaker prevents contaminated water from flowing back into your main water supply through irrigation sprinkler heads. Built with a heavy-cast brass body, this backflow preventer withstands up to 150 PSI and handles maximum temperatures of 150 degrees F.

• Heavy-cast brass body rated to 150 PSI
• 3/4" female pipe thread (FPT) inlet and outlet
• Prevents backflow contamination of water supply
• Serviceable internal components (O-rings, spring, poppet)
• Must be installed at least 6" above all downstream piping
• Compatible with Orbit, Hydro-Rain, and other irrigation systems
• For outdoor use with cold water only