Full-automatic Water Pumping and Drainage Controller for Water Tower/Water Tank — Floating Ball Valve Switch, Easy to Operate

Full-automatic water pump and drainage controller for water towers and tanks, compatible with a floating ball valve switch for level control. It provides both manual and automatic operation modes so you can either directly control the pump or let the unit maintain the desired water level automatically. Level detection is handled by two non-contact liquid level detection heads, delivering reliable high and low level monitoring. The controller accepts a wide power supply range to suit different electrical systems. Designed for simple setup and everyday use, this unit is convenient for a variety of installations. Written warranty: No.