... indicator;quick open signal feedback,manual override fail safe(auto-return) function best alternative to the solenoid valvesEnclosure:IP65Main ... HVAC and fire works.3.Water equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for automatic control4.Irrigation ... UPS,DHL,Fedex or EMS)/Air/Sea 2-way lower current motorized ball valve with water treament,solar hot water system