When a gas water heater pilot won’t stay lit, the water heater can’t heat the water inside the tank. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. 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. 80% of the time the thermocouple causes the pilot light to not stay lit, because it's not directly in the flame when it is being lit. The cooktop is fine, but the oven pilot will not stay lit. I also have a wall switch that I normally don't turn on until after the pilot stays lit on its own but I tried turning it on while trying to light the pilot but it did help any. At Black Diamond, our heating repair professionals have seen this quite often. This usually happens when the tube is kinked at one or many points. Do This When The Gas Fireplace Pilot Light Won’t Stay Lit. Bad Thermocouple. Sometimes your water heater pilot light won’t stay lit no matter what you do. 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. Pilot Light won't stay lit. When the gas burner comes on, use a 50/50 dish soap/water mix to test the screw joints for air bubbles that indicate leaks. I own a Vulcan 6 burner. How the Gas Pilot Light Functions and 10 Reasons Why the Pilot Light Goes Out or Won’t Stay Lit! I've used this furnace for over 15 years without replacing the thermocouple. It is most likely related to the thermocouple. Take note that it’s the pilot head, not the thermocouple. 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. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. The most common reason the furnace pilot light won’t stay lit. This can happen with age. The pilot is a nice blue and shoots out in three directions. A pilot light is connected to a gas line, which keeps it continuously aflame. Note: You must have the pilot lit and the burner on to test for leaks, so that gas is flowing through the large tube. Turn the thermostat dial (Dial on the front) back to zero. A pilot light in a hot water tank is what allows your water tank to heat up. 8 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit 1. 2. Relight the pilot light. I've had this unit since I bought my house 12 years ago and would have been installed way before that. Pilot lights have a safety valve, which should cut the gas when the light goes out. If after a full minute, the flame goes out when you let go of the safety, the pilot may be dirty. Replacement of this part should be performed by a trained gas technician. This started occurring after I did some gas plumbing and had to relight the pilot. I follow the instructions as described on the panel. Joined: 8 May 2005 Messages: 3 Thanks Received: 0 Location: Wiltshire Country: Came back from 2 week holiday to find pilot light on my Stelrad Ideal WLx Boiler had gone out. 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. The idea of this device is “Flame Failure” warning ie:safety device. In the modern furnace, that is in the form of a pilot light. Light the pilot and hold. The pilot light in your gas furnace supplies heat to your home. 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. You might be amazed to find out that the most straightforward fix for this is to light your pilot. It just that the pilot won't stay lit long enough so that I can turn the knob to ON. An operational pilot light in your furnace means safety from the possibility of a gas leak. If it isn't there and the probe that is in the pilot's flame is clean, the pilot generator needs replacing. When the pilot light won’t stay lit, the gas may still escape from the pipe. Updated: Apr 23. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. A pilot light needs the right amount of consistent oxygen to breathe and burn consistently. Fixing a commercial oven is easier than you think. Ive followed all the intructions to relight boiler and it still wont stay lit. Now the pilot won't stay let again this is very upsetting. The first thing you should do when faced with fireplaces that won’t stay lit is to make sure your pilot light is lit. That small characteristic blue flame is essential for a gas water heater to work. Turn the control valve to “on”. If you want to troubleshoot the problem, first you need to understand the workings of a furnace ignition system. 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. I have a Gas Wall Heater and the pilot won't stay lit. 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. Make sure to follow the directions on your water heater label. A thermocouple is a safety device and is a component of the ignition system. Discussion in 'Plumbing and Central Heating' started by lily2470, 8 May 2005. lily2470. Reopen the shutoff valve. When I do get the pilot flame to stay on and turn the oven on immediately when it reaches temp it shuts off. The gas supply to the pilot assembly is controlled by this valve. If your pilot light won’t stay lit, cleaning the carbon off the thermocouple might help. The pilot light is flanked on both sides by a piece of the lighting system. MY GAS FURNACE WON’T STAY LIT! May 26, 2020 4:46 pm Your furnace pilot light or burner keeps going out and it’s so cold! Pilot light won’t stay lit. The gas regulator wants at least 250 mV DC to keep the pilot lit and 400 for the main burners. 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. Step 1 Verify the pilot flame is touching the thermocouple. If the gas fireplace pilot light will not stay lit, troubleshooting common problems can … For more information about life expectancy, read this article entitled how long do water heaters last? The instructions do not say what to do if this happ. Troubleshooting these problems with a water heater's pilot light can be done at home. Obstructed Thermocouple. The pilot is typically located inside fireplaces on one side close to the wall. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. My Boiler’s Pilot Light Won’t Stay Lit! Most water heaters need a thermocouple. Turn the pilot dial (Dial on the top) to the pilot … See below a … If you follow these simple steps and still have issues maybe its a bit more than just the pilot light. The easiest way to tackle this home project is to abrade the rod with fine-grit sandpaper lightly. Here are some common problems that can lead to a pilot light not staying lit. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. 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. 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 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. Water Heater Pilot Light Keeps Going Out? If the pilot light won’t stay lit and the thermocouple is okay, then the thermostatic control valve may be defective. We use cookies to improve and personalise your browsing experience, to perform analytics and research, and to provide social media features. If the pilot light will not stay lit, it needs to be fixed ASAP to supply heat to your home and for safety reasons.There are numerous things that may make the pilot light on your furnace to not stay lit. I suspected the thermocouple and replaced it, but this didn't fix the problem. Gas fireplace won’t stay lit, but the pilot light does 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. 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. 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. Make sure that you are holding the safety on for at least a full minute. Test for Gas Leaks. The flex tube is how the gas reaches the device, and if the continuous flow of gas is interrupted, the pilot light won’t stay lit. The pilot won't stay lit on my furnace, when I release the button it just goes out. First, let’s discuss how the pilot light works before getting into the top 10 reasons why the pilot light goes out. My pilot light wont stay lit. Then, when you watch your furnace you can find where the problem is happening. Furnace Pilot Light Keeps Going Out. Standard gas log sets are fairly simple. 1. If this still doesn’t solve your problem, you may want to consult a professional. Pilot lights can be found on furnaces, water heaters, fireplaces, ranges, ovens and other appliances. The thermocouple is a small metal probe which is placed in the direct line of the pilot flame. Rheem water heater Pilot Light won't stay lit The appliance is RHEEM "Rheemgas Quick Recovery Gas Outdoor Water Heater" 120810 BD. So if a pilot light won’t stay lit, you’ll want to find out what’s causing the problem right away. Instead of feeding a fire, though, it goes into your home. 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. 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