Viking Corp. offers the SureFire non-cycling preaction system that will continue to run even when primary and backup power sources fail. Viking¿s SureFire system has built-in features that ensure protection while preventing water from entering the system. This allows it to operate as a regular preaction system under normal conditions or as a dry system if primary and backup power fail. Available with both single and double interlock electric release in 1 1/2- to 8-inch sizes, the SureFire system consists of Viking¿s angle pattern or straight-through Deluge Valves, EZ Trim, Easy Riser check valve and Par-3 Release Control Panel. Viking Corp.