12" Antisiphon Frostfree Sill Cock

Heavy brass silver soldered construction, notched flange for stable installation. Includes built in automatic draining backflow preventer. Hose must be removed or opened for automatic draining feature to operate. . Lockshield, 3/4" hose thread outlet, heavy cast iron handle. Pipe threads comply with ANSI B2.1, hose threads comply with ANSI B2.4, solder connections comply with ANSI B16.18.