Have you ever been in a situation where you needed to find the condensate overflow switch, but couldn’t? Well, if so, you’re in luck! The official business definition of the condensate overflow switch is “a device that works to prevent water overflow when air conditioning, heat pumps and other systems use condensation during their cooling process.” In other words, it’s designed to be your first line of defense against a potentially very costly plumbing, electrical or mechanical flooding disaster. Whether you are a homeowner or managing a commercial property, knowing how and when to locate the switch is an important part of preventive maintenance. So let’s dive in and learn about the basics of the condensate overflow switch, who should be using them, and how to find and identify one if you need it.