Zurn Hose Connection Back Flow Preventer 3/4 in. FNH x 3/4 in. MNH Lead Free

The BFP-8F Hose Connection Vacuum Breaker is utilized in low health hazard applications such as service sinks, laundry tubs, and standard 3/4 in. hose bibbs for protection against back siphonage of polluted water through a garden hose. The BFP-8F includes a manual drain feature for freeze protection, and breakaway set screw to eliminate unauthorized removal. It has a maximum working water pressure of 125 psi and a maximum working water temperature of 180 degree F. Designed for hose bibb attachment, BFP-8F materials include a brass valve body, buna nitrile elastomers, acetal polymers, and stainless steel internals, with an optional chrome finish.|Design features manual drain to protect against freezing|Breakaway screw protects against unauthorized removal|Compliant for use on standard garden hoses|Stainless steel internals resist corrosion|ASSE Listed 1011|IAPMO Listed|CSA certified B64.2 (BFP-8F)|CUPC certified B64.2 (BFP-9)|NSF 64 listed