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possible leaking gas valve
Furnace at family cabin is warm air with electronic ignition. When I turned on the gas, everything seemed fine. Set thermostat to "heat" and the furnace started and ran normally (I heard the sparks to light the pilot, then heard the main burner ignite). When the temperature got to the set point, I heard the thermostat click off. Then I smelled gas (I immediately shut off the gas).
I'm thinking the pilot control valve is leaking (slow enough that the pilot flame was extinguished when the main burner extinguished).
Is this a reasonable suspicion? I've called the local service company, but will be at least a month before they can send a tech, so I would like to buy the replacement so the tech can install it when the tech finally comes.