Your furnace keeps you warm throughout the year, but as a complicated piece of machinery, it runs into problems here and there that need special attention. Your limit switch is one of many components that allow your furnace to run in the first place, and it also keeps you safe at the same time.
But when limit switch furnace malfunction hits, those safety features can fail and put your home at risk. If you’re wondering whether or not your furnace’s limit switch is dead, this is how you can find out.