Protects the valve from freezing conditions and from potential back pressure and contaminated water flowing back into the main line. 1/2-in PEX x 3/4-in garden hose thread 8-in through wall length Shut-off is located at the inlet of the sillcock to drain the water from the line to protect the valve in freezing conditions Integrated vacuum breaker to prevent backflow Maximum pressure rating 160 psi Maximum temperature rating 200 degrees Fahrenheit Type: Sillcock Depth (Inches): 13.65 Height (Inches): 3.17 Inlet Diameter: 1/2-in Inlet Size in Inches: 1/2-in Length (Inches): 8 Outlet Diameter: 3/4-in Thru-Wall Length: 8-in Width (Inches): 2.28 Anti-Siphon: Yes Frost Resistant: Yes Handle Style: Handwheel Inlet Thread Type: PEX Material: Brass Outlet Thread Type: Hose thread Turn: Multi turn Use Location: Indoor/Outdoor Warranty: 2-year limited Compatible Pipe Material: PEX CA Residents: Prop 65 Warning(s): Yes Complies with Federal Lead Guidelines: Yes UNSPSC: 40141600