3/4" Plastic Auto Drain Valve

Plastic Automatic Drain Valves prevent damage to irrigation systems due to freezing by automatically draining the sprinkler lines when the water is turned off. Automatic Drain Valves are installed at the lowest point of each sprinkler zone. 3/4" Male Threaded Opening pressure: 3 to 5 psi (0,2 to 0,34 bars) Closing pressure: 5 psi (0,34 bars) or greater For outdoor use with cold water only