How To Turn Off Gas Fireplace Pilot Light. Make sure before doing so that the pilot light has been on for at least two minutes or longer—then switch off the pilot light. Your furnace pilot light may take a few seconds to go out, but it will turn off once it burns through the gas.
Turning off your pilot light is a simple process that will save you both energy and money. On the control panel, look for the knob. The gas supply should also be isolated by turning the gas valve located near to or within the fireplace to the off position.