Orbit 1" Automatic Converter. It includes a ring adapter required to convert most brands of manual valves to automatic. This converter has a maximum pressure of 120 psi and a maximum working temperature of 100°F. Made of plastic, it features a female pipe thread connection and is compatible with PVC pipe material. Backed by a 6-year manufacturer warranty, this valve converts manual control valves to automatic and includes flow-control adjustments and manual bleed screws. It works with major brand brass and plastic manual valves and is compatible with industry standard 24-Volt solenoids.