Anti-Siphon Backflow Preventer, Series Watts 800, Size 1 in, Connection NPT, Body Material Bronze, Temp. Range 33 Degrees to 180 Degrees F, Max. Temp. 140 Degrees F, Max. Pressure 180 psi, Width 6 1/2 in, Length 5 3/8 in, Height 5 3/8 in, Features Quarter Turn, Standards USC