Anti-Siphon Pressure Vacuum Breaker Size 1 in Connection NPT Body Material Lead Free Bronze Temp Range 33 Degrees to 140 Degrees F Max Temp 140 Degrees F Max Pressure 150 psi Width 3 7/16 in Length 8 5/16 in Height 9 in Features Accessible Internal Parts Freeze Sensor Plastic Check Valve Seat Plastic Float Silicone Check Valve Silicone O-Ring Seal Stainless Steel Springs Tee Handles Shutoff Standards ANSI ASSE SA UPC USC Compliance ASSE