Pro tip for sump pumps: Get a float switch instead of a liquid sensor. That tells you if the water level is too high or not, not if the sensor is wet.

- You want to know this before water is on the floor.

- Sump pits tend to be splashy in heavy water flow.

- The float switch will correctly return to "it's fine" status when the problem is no longer occurring.

Liquid sensors are great for "my basement is flooding", float switches are great for "I need to fix my pumps before my basement floods.