Orbit 1/2" Brass Automatic Drain Valve - Sprinkler System Water Draining Valves

This automatic drain valve has a brass 1/2-inch male threading. This irrigation system drain valve is great for use with residential sprinkler systems or commercial sprinkler systems. This drain valve seals when irrigation system water is running and does not drain until water pressure alleviates. For all your yard sprinkler systems draining, this sprinkler system automatic drain valve is perfect.: Helps prevent freezing damage to sprinkler lines, Corrosion-resistant spring and plunger, 1/2 ...