Archives for February 2023

Furnaces require more than just a burner assembly or heating element; many of them require a thermocouple. It plays an important role in preventing gas from leaking into homes. What Is a Thermocouple? A thermocouple is a simple safety device that’s designed to control a furnace’s gas valve in response to the pilot light. It …

Gas furnaces have several safety features, including a pressure switch. Whether you have an older low-efficiency gas furnace or a newer modulating furnace, it will produce flue gases. Also known as stack gases, it’s the byproduct of burning natural gas. To ensure that flue gases are properly ventilated, gas furnaces feature a pressure switch. What …