These float switches are custom made per our specs, to be the perfect solution for your auto topoff setup. These are not the cheap float switches you typically see. They have a 3 foot cable, with outer sheathing to keep your wires neat and tidy.
This set includes two switches; one for your low level, and one for the high level alarm. The wires are labeled, for easy identification. The low level switch is closed when at the bottom, and will open as it comes off the bottom of the stem. The high level switch is open until it reaches the top and will close as it reaches the top of the stem. If these switches are installed at the same horizontal level, you will get approximately 1/2" of distance between the low level and high level switching points.