The pump needs a float switch to tell it when to turn on and off. There are three main type of float switches: A tethered float switch is a floating ball attached to the pump by a cord.

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 because ...

The HC-SR04 sensor has a fairly wide sonar field. The user manual states that it works best with a 30° angle. My sump pit is a busy place. It has a backup pump that sits higher than the main pump on a ...

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 … ...

LOUISVILLE, Ky. — The Metropolitan Sewer District (MSD) received 301 calls for backed-up water after intense storms and rain began in Louisville. Now, hundreds of homeowners are working on repairs.