
What Does a Furnace Thermocouple Do?
A thermocouple is a safety device that shuts off gas flow if your furnace’s pilot light goes out. In this post, we cover how thermocouples work, signs your thermocouple isn’t working, and the importance of timely repairs. Quick Takeaways Your furnace thermocouple is a rod that detects when there’s no flame coming from your pilot light. It will shut down your system when the pilot light is out to keep your home safe from dangerous








