The b & K industries 108-904RP backflow preventer-vacuum breaker can be attached to sill cocks, valves, and hydrants with male hose thread outlet. The breaker can be used for indoor or outdoor use and is designed to prevent dangerous back siphonage and back flow. Furnished with break-a-way lock scre...

★ Feature: Attached to sill cocks, valves, and hydrants with Male hose thread outlet. For indoor or outdoor use. Designed to prevent dangerous back siphonage and back flow into a potable water supply. Furnished with break-a-way lock screw if vandal-resistant installation is desired. For nonfreezin...

DG41 Hose Thread Backflow PreventerBackflow prevention devices are recommended with any irrigation system with a shared water source. The Hendrickson DG41 Backflow Preventer (Atmospheric Vacuum Breaker) is an economical choice to prevent the risk of backflow contamination from outdoor hose faucet co...