A modification of the Preaction System, the Viking FirecycleŽ System turns off the water flow after the fire is extinguished, and even turns itself back on again if the fire rekindles. With a Viking FirecycleŽ System, there is no water in the piping until a fire condition exists the leaks and accidental water discharge common with other types of on-off systems are eliminated. A Viking FirecycleŽ system is a wise choice for any installation requiring dependable protection with limited water flow.