Homewerks VAC-BFP-Z4B Vacuum Breaker, 3/4-Inch, Brass 3/4-Inch self draining vacuum breaker Male hose thread Break-off screw for permanent attachment Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9 Max. operating temp. rating: 180 F/82 C, Max. operating pressure rating: 125 PSI 3/4-Inch hose thread outlet Break-off screw for permanent attachment Meets ASSE 1011 / CSA B64.2 Standards Meets ANSI / NSF 61 low lead requirements