Replacement of this part should be performed by a trained gas technician. Gas fireplace won’t stay lit, but the pilot light does This can happen with age. The pilot light is flanked on both sides by a piece of the lighting system. Test for Gas Leaks. If the pilot light won’t stay lit and the thermocouple is okay, then the thermostatic control valve may be defective. I replaced the thermocoupler and the gas valve with a new valve (ITT General Controls B67RA56) and nothing different, it still won't stay lit. The pilot won't stay lit on my furnace, when I release the button it just goes out. The idea of this device is “Flame Failure” warning ie:safety device. I got the pilot to stay lit, now when I turn to the on position the pilot goes out but on a good note the polit comes back on and stays lit. Now the pilot won't stay let again this is very upsetting. The most common reason the furnace pilot light won’t stay lit. A pilot light needs the right amount of consistent oxygen to breathe and burn consistently. You can quickly know if the pilot light is on or off with the help of an electrical current, powered by the pilot’s heat. If the pilot light in the Heat & Glo will not stay on, there are some steps you can take to troubleshoot the problem, so you can then correct the issue and keep the pilot light 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. Hi. A Broken or Damaged Thermocouple – In this instance there is something wrong with the equipment and a technician would be required to replace or repair the thermocouple in order for your pilot light to stay lit again. The gas supply to the pilot assembly is controlled by this valve. If the gas fireplace shuts off after a few minutes, it's pretty much always going to be a pilot head issue, or a valve issue. I suspected the thermocouple and replaced it, but this didn't fix the problem. It is most likely related to the thermocouple. We use cookies to improve and personalise your browsing experience, to perform analytics and research, and to provide social media features. Instead of feeding a fire, though, it goes into your home. Make sure to follow the directions on your water heater label. Reopen the shutoff valve. Turn the control valve to “on”. Turn the thermostat dial (Dial on the front) back to zero. Pilot light won’t stay lit. Last edited: Dec 10, 2014 The easiest way to tackle this home project is to abrade the rod with fine-grit sandpaper lightly. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. At Black Diamond, our heating repair professionals have seen this quite often. Take note that it’s the pilot head, not the thermocouple. If your pilot doesn’t re-light, won’t stay lit or keeps going out after a short time, you most likely have an issue with the hot water heater thermocouple. If you follow these simple steps and still have issues maybe its a bit more than just the pilot light. Turn the pilot dial (Dial on the top) to the pilot … While other parts of the country are preparing for warmer weather in the coming weeks—and prepping your air conditioner for summer now is a great idea—we are still dealing with chillier temps in our area, especially at night. The pilot is a nice blue and shoots out in three directions. A thermocouple is a safety device and is a component of the ignition system. If it is directly in the flame and it won’t stay lit then the thermocouple is probably defective and needs to be replaced. My pilot light wont stay lit. I follow the instructions as described on the panel. An operational pilot light in your furnace means safety from the possibility of a gas leak. If the thermocouple is too far from the flame, this can cause the pilot to go out and shut down the propane heater; you can fix this easily by moving the thermocouple closer to the flame. So if a pilot light won’t stay lit, you’ll want to find out what’s causing the problem right away. When a gas water heater pilot won’t stay lit, the water heater can’t heat the water inside the tank. The most frustrating thing is that there are times when the water heater pilot light won’t stay lit and therefore it could need you to troubleshoot the problem and fix it. The initial flame of the pilot heats the thermocouple, which will signal the valve to stay open and keep the pilot lit and the propane heater functioning. If thermocouple replaced and attempt to light the pilot and still will not stay lit, then the safety valve will be defective and need replaced. I've used this furnace for over 15 years without replacing the thermocouple. The cooktop is fine, but the oven pilot will not stay lit. If after a full minute, the flame goes out when you let go of the safety, the pilot may be dirty. See below a … Then, when you watch your furnace you can find where the problem is happening. If it isn't there and the probe that is in the pilot's flame is clean, the pilot generator needs replacing. The thermocouple is a small metal probe which is placed in the direct line of the pilot flame. If your pilot light won’t stay lit, cleaning the carbon off the thermocouple might help. Here are some common problems that can lead to a pilot light not staying lit. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. Ive followed all the intructions to relight boiler and it still wont stay lit. Note: You must have the pilot lit and the burner on to test for leaks, so that gas is flowing through the large tube. A pilot light is connected to a gas line, which keeps it continuously aflame. You might be amazed to find out that the most straightforward fix for this is to light your pilot. If this still doesn’t solve your problem, you may want to consult a professional. I own a Vulcan 6 burner. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. For more information about life expectancy, read this article entitled how long do water heaters last? The pilot is typically located inside fireplaces on one side close to the wall. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. This started occurring after I did some gas plumbing and had to relight the pilot. If you have made several attempts to light your pilot and it does not light or stay lit, you may not be holding the safety in long enough. To troubleshoot a Napoleon gas fireplace that will not stay lit, check the drip loop, the pilot light, the thermocouple and the gas valve to ensure all components are clean and working before replacing. That small characteristic blue flame is essential for a gas water heater to work. There are many components that make the pilot light work, and when they don’t function properly, your furnace won’t stay lit. Pilot lights have a safety valve, which should cut the gas when the light goes out. How the Gas Pilot Light Functions and 10 Reasons Why the Pilot Light Goes Out or Won’t Stay Lit! If your pilot light won't stay lit, this can be for a few different reasons: the thermocouple, the gas pressure or the light itself. Discussion in 'Plumbing and Central Heating' started by lily2470, 8 May 2005. lily2470. 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