Vacuum Breaker Size 1/2 in Connection Type FNPT Material of Construction Brass Seal Rubber Max Pressure 125 psi Temp Range 140 Degrees F Height 6 3/4 in Width 2 5/16 in Standards ASME A112.18.1 ASSE 1001 CSA B125.1 Compliance ASME A112.18.1/CSA B125.1 ASSE 1001