... DN20, with manual switch, 2 way, electrical valve,brass Description:This listing includes 1 unit of motorized ball ... valve DN20, 12VDC, 2 way, brass, with manual switch. Application:1.HVAC 2.Water treatment ... , particularly when solenoid cannot work reliably Features:1).Smart shape, Perform reliably, large output torque, as long as ... , with manual switch, 2 way, electrical valve,brass