A tethered float switch is a floating ball attached to the pump by a cord. It pivots as the water level rises, allowing a steel ball inside it to trip the switch.

Check the float switch Like a toilet, sump pumps are designed with a “float” that triggers the pump cycle. This is exactly what it sounds like: A plastic ball that floats on top of the water.

Q: We’ve had to replace several sump pumps in just a few years and I’m wondering why. We initially had a pump with the float on a rod, but the first time our basement flooded, it was be… ...

My sump pit is a busy place. It has a backup pump that sits higher than the main pump on a 2x6 stud. Each pump has a float ball that bounces around in the pit. This results in false readings when the ...

We’ve got some friends who have two sump pumps. One is a backup and sounds an alarm when it is switched on. But this only works as long as they’re home to hear it. [Felix Rusu] came up … ...

Local News Louisville MSD program pays for sump pump switches after heavy rains cause failures There's help if your sump pump is connected to the sewer.