BOrbit Manual Brass Sprinkler Anti-siphon Valve & Union Irrigation BackFlow 51052 ReviewbP PP Orbit Manual Brass Sprinkler Anti-siphon Valve & Union Irrigation BackFlow 51052 PDesigned to prevent contaminants from entering the household water supplyPIncludes free-rotating unionPFull flow-control and anti-siphon valvePHeavy-cast brass bodyPFor outdoor use with cold water onlyP