Prier Anti-Siphon Vacuum Breaker and Backflow Check Valve ASSE 1052-Brass Copper Epoxy Clevis Hangers 11 NPT threads conform to

11   NPT threads conform to ASME B1

bolts and nuts sold separately

material:   Black Malleable Iron connection:   Threaded Thread Type:   Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory

not the brittle plastic discs available in competitors products

Prier Anti-Siphon Vacuum Breaker and Backflow Check Valve ASSE 1052-Brass Copper Epoxy Clevis Hangers 11 NPT threads conform toPRIER C 734 Heavy Commercial Hot & Cold Mixing Hydrant provides a year round source of tempered water to areas of structures that are subject to freezing temperatures. The hydrant valve is connected to the supply piping in the heated portion of the structure, eliminating the possibility of freezing. The hydrant is also available with a self draining vacuum breaker and backflow check valve (PRIER Model C 754) to protect against any cross contamination