... the scaling time.16.Small volume, compact structure, small and exquisite outlooks, various assembling methods with manual control and switch indication ... machines,water heaters,industrial humidifier.4.HVAC5.Multiple voltage and control mode, applicable to a variety of occasions.6 ... .011Cubic Meter Miniature lower Brass and SS304 ANSI motorised valve for ,HAVC,automatic control instead of Solenoid valve