Answer :
Final answer:
In an Intermittent Pilot Ignition System, the pilot is not lit when the furnace is off. This system only ignites the pilot when the furnace is activated, improving energy efficiency and safety.
Explanation:
An Intermittent Pilot Ignition System is a type of ignition system used in modern gas furnaces. Unlike a standing pilot light that remains lit all the time, the intermittent pilot system is designed to ignite only when the furnace is activated. Therefore, when the furnace is off, the pilot is not lit.
This system is more energy-efficient as it does not waste gas on a pilot light that is constantly burning. The Intermittent Pilot Ignition System improves the overall safety of the furnace as well, by reducing the likelihood of gas leaks associated with a continuously burning pilot light. When the thermostat signals the need for heat, the system generates a spark to ignite the gas pilot, which in turn lights the main burner of the furnace.
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