WebThe thermal sensor is there to cut off the gas if the pilot light goes out. If it thought it was too cold, then it would cut off the gas, thus the need to let it heat up before letting go of whatever momentary control let the gas go on anyway. ... Why does the pilot light keep going out on my natural gas boiler? Related. 3. Gas fireplace will ... WebThere could be several causes for a pilot light going out on a boiler. If it is an older boiler, the cause could be related to the thermocouple. The thermocouple is a device next to the pilot light that detects the heat from the pilot and sends a signal to the gas control valve telling it to stay open. If it’s faulty, it may need to be replaced.
Vaillant boiler pilot light keeps going out
WebThese are three common causes that a furnace repair expert sees with a pilot light that keeps going out: Clogged Pilot Orifice – Dirt and debris can accumulate in the pilot … WebOct 8, 2024 · If the boiler has already been on for a while, if I turn it off for 15 minutes or so and then start it up again, it ignites fine but then after 5 minutes or so, I have the same issue with the pilot light again. It's as though the issue with the pilot light is dependant on how warm the boiler is. recycle scotch tape
TOP 10 Reasons Why the Gas Pilot Light Goes Out
WebSome reasons your pilot light would keep going out is if it is dirty, uneven or damaged over time. So, if your pilot opening has accumulated dirt and other residue and hasn’t … WebIf your pilot light re-lights easily after going out overnight, it’s possible it was blown out by a draft. This can happen on excessively windy days or nights. A leak in the output duct of the furnace could cause air to blow … Web4. The thermocouple is faulty or broken. Also known as the flame sensor, the thermocouple detects when your pilot light is lit and shuts off the gas valve when the pilot goes out. Like other parts of your boiler, the thermocouple can wear out over the years and eventually need replacing. The thermocouple is next to the pilot light on your ... recycle scooter batteries