... drain in default stateDC 12V low voltage motorized ball valve for solar heating systemApplication:Solar thermal,under-floor,rain water, ... electric operated Valve 1/4" to 1",IP65, with differnt wiring,3-6Vdc,ac/dc9-24V,220V, 1.0Mpa CE,ISO ... equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for automatic control 4 Irrigation equipment,drinking water equipment,solar water ...