What To Do When Your Gas Furnace Pilot Light Won’t Stay Lit. The pilot light is lit by an electronic spark. Without being close enough to sense the heat from the flame the thermocouple will fail to send the right signal back to the controller. I've had this unit since I bought my house 12 years ago and would have been installed way before that. If this is not the problem you are having, the thermocouple may just be dirty. If there is no reset button or gas valve, simply hold a lighted match to the pilot orifice. MY GAS FURNACE WON’T STAY LIT! Updated: Apr 23. I am having problems with the gas fireplace in a house we recently bought. The gas valve sends gas to the main burner(s), which is lit by the pilot light. If this is the problem, then unkinking the tube will occasionally resolve the issue. It's a safety mechanism that shuts the gas off should the pilot go out. You go to light your grill, but the flames and heat elude you. I replaced the thermocouple two days ago and it worked fine until tonight and now nothing will stay lit. They came and changed my meter and switched the gas off.... Gas water heater pilot light will not stay lit. Or use a single strand of wire and run it through the tube. If you’re fairly certain this is the source of the problem, you will either need to have the thermocouple replaced or repaired. Remove the orifice or the pilot light tube from the mounting bracket. 6 Reasons Why a Water Heater Pilot Light... 6 Reasons Why a Water Heater Pilot Light Won't Stay Lit. Posted: October 3, 2016. What follows should give you a good idea of how to deal with the most common problems. Make sure the propane tank is full, properly connected to the fire pit gas supply hose, and that the propane tank valve is turned on. There is a chance that your thermocouple has simply gone bad and is the reason your pilot light won’t stay lit. Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. Thankfully, a dirty pilot tube is the easiest issue to fix. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up … Lucky for you, the parts needed for the replacement/repair should cost under $20 and the time to repair won’t be long. If your burners have no gas coming out then your issue may be the valve on the tank. Sometimes it's referred to as the "flame sensor." This will allow you to save on expensive labor … Pilot lights can be found on furnaces, water heaters, fireplaces, ranges, ovens and other appliances. It’s a common issue: the pilot lights, but won’t stay lit. Troubleshooting these problems with a water heater's pilot light can be done at home. A flame sensor lets your furnace know that the pilot was successfully lit. How the Gas Pilot Light Functions and 10 Reasons Why the Pilot Light Goes Out or Won’t Stay Lit! A properly functioning pilot light in your furnace means reliable heat in your home and safety from the possibility of gas leaks. Your furnace's thermocouple, if it works normally, checks to see whether the pilot light is on or off. The millivolts of electricity are used to operate an electromagnet that keeps the valve open to the gas line that feeds the pilot..thus allowing the pilot to stay lit. However, if your pilot is lit but the gas fireplace isn’t, then there’s probably a problem with your thermopile. Most recently manufactured water heaters function with the aid of a thermocouple. Check The Gas. Test for Gas Leaks. Or, worse yet, the burners stay lit for only a few minutes and then go cold. If you want to troubleshoot the problem, first you need to understand the workings of a furnace ignition system. Turn the control valve to “on”. Your water heater pilot light works in concert with other parts. This is the one thing that's worked AMAZING to get my hot water heater pilot light to stay on! There is no good way to check if your pilot tube is dirty, but fortunately the process for cleaning it is short. May 26, 2020 4:46 pm Your furnace pilot light or burner keeps going out and it’s so cold! Find out why everyone usesus for home projects! Maybe, but it’s not always that simple. If your furnace’s pilot light won’t stay on, the furnace won’t work. When the pilot light won’t stay lit, the gas may still escape from the pipe. So it had been quite reliable. We welcome your comments and Additionally, a dirty pilot tube will be less reliable than a clean one. suggestions. Scrap this thread. When your gas fireplace won’t stay lit is may be because … Even after trying to relight the pilot light, you still may experience it going off. A pilot light in a hot water tank is what allows your water tank to heat up. Copyright© While this is a less common problem, it still may be the cause of your pilot light's problems. Sometimes, this tubing will get kinked in places which will prevent proper operation. Thermocouples detect pilot lights by sensing the heat they produce. The thermocouple is the copper rod the pilot flame directly hits. to this site, and use it for non-commercial use subject to our terms of use. Then, when the pilot is burning brightly, release the reset button. This problem is less … 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 . To begin, you will need to access the pilot tube and the thermocouple in order to observe them and figure out what problems are present. This pilot light may not always stay lit, due to a variety of issues that may affect the gas supply or ignitor. Once you have done this, allow your furnace to cool down for at least 30 minutes so it is safe to open, then open the hatch covering your pilot light and look inside. It should be nearby or even on your furnace. When a pilot light won’t stay lit on your gas water heater, this is exactly what you can expect. When the furnace is cool and the gas off, simply get out a needle and put it inside the pilot tube, scraping the sides clean. A bad thermocouple will shut off gas to both the pilot and the burner, which is when people notice that the water heater pilot light is out. It is possible for the pilot tube in your furnace to become blocked, making the pilot light go out. Read on for reasons why, and what you can do to fix it. View our Privacy Policy here. home improvement and repair website. If you’re reading this article, it’s safe to assume your gas fireplace either won’t stay lit, or won’t light at all. I've got an older natural gas furnace (Lennox Model G16Q3X-50-1) which refu... How to Install a Gas Shut Off Valve in a... How to Install a Gas Shut Off Valve in a Gas Furnace. You can clean it off with fine-grained sandpaper. You may freely link Any gas furnace uses a pilot light to trigger the burners to heat your home. You immediately push the button to increase the temperature and that’s when you know … Put everything back together perfectly. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution. Questions? This equipment is the core reason why your water heater functions, it also knows if the pilot light is on or off through an electric current that draws power from the pilot’s heat. If the color of the flame turns yellow or red, it’s a sign of gas contamination. Push in the spark igniter switch to check that is making a clicking noise. Maintenance or … Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit, including standard home furnaces and floor furnaces. Have you ever woken up in the middle of the night wondering why your house was so cold? All rights reserved. The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit. Once I light the fireplace, the fireplace will come on and run for about 5-10 minutes then shut off. Then, when you watch your furnace you can find where the problem is happening. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. The pilot light may not stay lit if the thermocouple wires are too far from the pilot flame, like if they accidentally got bent back when you were cleaning. Troubleshooting Problems with a Gas Furn... Troubleshooting Problems with a Gas Furnace Thermocouple. DoItYourself.com®, founded in 1995, is the leading independent The gas valve opens and sends gas to the pilot burner. If you have tried everything and you pilot light still won’t stay lit, you may want to consult with a professional plumber. On Great Pros, our network of plumbers are experts with gas water heaters and won’t have any problem assisting you. It also controls a separate larger valve that feeds gas to the main burner when the gas logs are turned on. Sometimes gas fireplace won ’ t work on for reasons why a water heater pilot light out. Reason why a water heater pilot light... 6 reasons why your heater ’ s so cold bone-chilling cold will. Notice it ), which should cut the gas logs are turned on other. Rheem `` Rheemgas Quick Recovery gas Outdoor water heater pilot light tube from the mounting.... The top 10 reasons why your pilot light will not light or burner keeps going out and it s. An operational pilot light goes out if your gas furnace gas pilot light won't stay lit light 's problems picture this, you up! 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