![Water level switch SQFlex Water level switch SQFlex](https://www.wattuneed.com/8172-large_default/water-level-switch-sqflex.jpg)
![Water level switch SQFlex Water level switch SQFlex](https://www.wattuneed.com/8172-slider_photo/water-level-switch-sqflex.jpg)
The water level switch interfaces with the CU200 controller to turn off the pump when a tank is full.
The water level switch interfaces with the CU200 controller to turn off the pump when a tank is full.
High water level: contact is closed.
Low water level: contact is open.