A switch is an important component in a sump pump because it is close to impossible to operate the pump without a switch. A simple and mechanical type of switch is the floater. When the motor is activated, the floater detects water when it reaches certain level. It can be used as an indicator or even an alarm to detect higher levels of water.
The sump pump switches come in different types. The micro switch is the one which comes with most installations. This switch is attached to a rod which in turn is attached to the floater. This is a vertical switch. As the water level raises, the floater rises, thereby lifting the rod so that the water level goes down. Another kind of switch is the wide angle float switch. A cord is attached to the floater, when the water level raises and the floater also raises to tighten the switch.
Despite these wide varieties, switches are mechanical parts that are prone to failures. They may fail due to many undetected reasons like debris in the sump. Unfortunately it is not easy to repair float switches and so a better idea is to replace them. There are some things you should keep in mind to replace these switches. Firstly, know the kind of switch your sump pump has and look for similar ones in the local hardware shop or online. With the help of simple tools, you can unscrew these switches and replace them with new ones.
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