Champions Residential Inspections SAE Practice Test - Prep Guide & Questions

When the thermocoupler is activated, it typically signals that the pilot light is lit and functioning properly within a gas appliance. The primary purpose of the thermocoupler is to ensure safety by controlling the flow of gas. If there is a situation where the pilot light goes out, the thermocoupler will send a signal to shut off the gas supply to prevent hazardous gas buildup. Thus, when the thermocoupler is activated, it effectively stops the flow of gas to the burner, ensuring that no gas is released in the event of an unsafe condition. This function helps to maintain safety in gas-fired heating systems and appliances.