Vacuum Breaker Size 3/4 in Connection Type GHT Material of Construction Lead Free Brass Seal Silicone Max Pressure 125 psi Temp Range 33 Degrees to 180 Degrees F Height 1 1/2 in Width 1 3/8 in Standards ANSI A112.1.3 CSA B64.2 IAPMO UPC Compliance ANSI A112.1.3 ASSE 1011 NSF Lead Free