The Orbit 80 psi Anti-Siphon Valve is constructed from heavy-duty brass and helps prevent harmful contaminants from re-entering the water supply. This manually operated valve functions as a main shut-off valve for an underground sprinkler system.

　　- Functions as a main shut-off valve for an underground sprinkler system

　　- 1 in. FIP

　　- Heavy-duty brass construction

　　- Prevents harmful contaminants from being siphoned back into the water supply

　　- Positive backflow prevention

　　- Manual operation

　　- MFG Model # : 51017

　　- MFG Part # : 51017