Febco 1 1/2" - 2" 765 Bonnet Kit - 901-857
Series 765 Pressure Vacuum Breakers are designed to be installed to provide protection against back siphonage of toxic or non-toxic liquids. They feature a durable bronze body and a check valve and air opening port in one assembly. Maximum Working Pressure: 150psi (10.3 bar).
Literature: Febco 765 Operation and Maintenance Manual