This switch is very easy to install and will replace any mechanical float switch. The HC8000 Sump Pump Controller is a smart switch, that automatically adjusts to any pit size or pump capacity. It doesn"t have a fixed on/off range, or a fixed run time, as many other switches do. And because its electronic it has many features not offered by other mechanical switches, such as high water alarm, motor failure alarm, run status indicator, and more.