Mini Motorized Ball Valve for Automatic Control, Size from 1/4" to 1", dc5V,12V, ac/dc12V, ... are availableManual override function is safe and easyApplications: HVACWater treatmentSmall equipment for automatic controlReplacing solenoid valve, particularly when solenoid cannot work reliablyTechnical ... stainless steel . KLD20S Mini Motorized valve for water treatment, HVAC, automatic control