The OAT-24 module is designed specifically for the Aqua-X Pro Irrigation Control System. It features 12 individual 24V outputs that can control up to 12 individual 24 volt irrigation solenoids. Using multiple OAT-24 modules, the Aqua-X Pro Irrigation Control System can manage up to 600 individually controlled 24 volt valves. Each solenoid valve can be independently configured by users to one of five control modes. Powered by: Recycle, Schedule, Demand, Volume or Auto-fill. The OAT-24 offers users the ability to easily manage irrigation schedules for multiple nutrients, rooms and irrigation zones.