Gas Fireplace Pilot Light Won T Stay Lit

If the pilot light on your gas fireplace won t stay lit a very likely culprit is a component called a thermocouple.

Gas fireplace pilot light won t stay lit.

If your pilot light ignites but won t stay lit then the problem is most likely related to your thermocouple a metal sensor about the size and shape of a sharpened pencil that heats up by direct contact with the pilot light s flame telling your gas valve that the pilot light is lit so it s safe to open the valve to let gas flow. It s possible that excess moisture may have gotten into your gas line causing the pilot light to malfunction. However if you find that your gas fireplace or similar appliance has a pilot light that won t stay on even after consistently being fixed or relit one of these issues could be the reason. A thermocouple is a safety device and is a component of the ignition system.

Its purpose is to not allow the gas valve to open if the pilot light isn t lit. The gas valve is usually the last option when troubleshooting why your gas fireplace won t stay lit. If it determines that the pilot light is off it shuts down the flow of gas. My fireplace pilot light won t stay lit.

Make sure you still have an orifice on your burner before you throw anything away or hook it back up. When the gas fireplace. Thermocouples detect pilot lights by sensing the heat they produce. Alleyne says to look for and clear out any debris between the igniter and thermocouple.

So you may need to do some plumbing in order to get it right. While this is an excellent safety feature a faulty thermocouple may decide arbitrarily that your pilot light is off when you want it on shutting down your pilot light and your furnace. We recommend that you use experts when you detect that the gas valve is the problem. Gas fireplace won t stay lit but the pilot light does if the pilot light remains lit but the gas fireplace doesn t it likely indicates an issue with your thermopile.

Here s another tip when the gas fireplace pilot light won t stay lit. It is a rare case to get a malfunctioning gas valve but we cannot completely rule out its possibility. You wouldn t expect a new valve to line up exactly the same way as your old one.