Rock the Gas Heat ESCO Exam 2026 – Fire Up Your Future in HVAC!

The correct answer is the gas valve. The anticipator in a furnace is a small electrical resistor that is responsible for controlling the opening and closing of the gas valve. By adjusting the anticipator, it can control the amount of heat that is generated by the burner, ensuring that the desired temperature is reached without overheating. This makes the gas valve a component that is directly controlled by the anticipator in a furnace.