After discussing the causes, we will recommend some possible solutions that you can use to fix the problem. That sounds more like a thermocouple. The thermocouple is an important component you’ll see in most modern gas water heaters. This tubing connects to the gas controller and will ensure a steady stream of gas. When the water heater pilot light goes out, first try relighting it, following the directions on the water heater label. While most homeowners might consider this a last resort, you should understand that most people are not DIY-inclined. Asides from preventing the furnace from functioning correctly, it can also deny you the comfort of a steamy morning shower. Thermocouples can be repaired if it is only slightly damaged. Replace the control valve: Most times, if the control valve gets faulty, a technician will be able to repair it. Questions? In most cases, the thermocouple may have curved too far away from the pilot, which is problematic as it won’t be able to detect the heat signal. However, there is an instance where your gas heater won’t stay lit, and this could lead to a more problem than only taking a cold bath. Obstructed Thermocouple. Watch out for large objects as they might be the biggest culprits. Pliers. Before you resort to changing the tubes, ensure that you’ve conducted all other checks because flex tube problems are generally less frequent. Your heater's pilot light allows the burner to cycle on and off while maintaining the water in the tank at a constant temperature. When a pilot light won’t stay lit on your gas water heater, this is exactly what you can expect. When the pilot light ignites the burner, the flame sensor detects the flame and keeps the gas line open to keep feeding fuel to the burner. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. Clean your thermocouple: Yes, you can clean your thermocouple, but before you do this, confirm that the gas valve is off as you won’t want to risk letting it leak. Sometimes your water heater pilot light won’t stay lit no matter what you do. If you repeat the process five times, and the result is the same, then other problems might be the cause. There are numerous reasons why your pilot light trips off over and over. Why a Water Heater Pilot Light Won’t Stay Lit The primary reason a pilot light won't stay lit … If your water heater’s burner is defective, then this is likely to affect ignition, which may cause the pilot’s light to go off. Please advise. 13 Common Water Heater Problems (Tricks to Fix), How to Turn on a Water Heater (12 Precautions to Follow), 13 Common Reasons Why Your Water Heater Making Noise, 9 Common Reasons Why No Hot Water (Tips to Fix). This usually happens when the tube is kinked at one or many points. In most cases, most water heaters tend to come with a 1 or 2-year warranty. The flame sensor is responsible for regulating the gas flow to the burner. Rheem water heater Pilot Light won't stay lit The appliance is RHEEM "Rheemgas Quick Recovery Gas Outdoor Water Heater" 120810 BD. If you check the thermocouple and it isn’t dirty, grimy, or curved, it may have been damaged. 1. Reason 1: Dirty Pilot Tube. Ignite the flame with a long match while switching the knob to “pilot,” hold it in the position for 35 seconds. Screwdriver (if necessary) 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. The Angie’s List Answers forum ran from 2010 to 2020 and provided a trusted space for homeowners to ask home improvement questions and receive answers directly from Pros and other users. Assuming you have checked the thermocouple and it’s intact, another possibility why your water heater may be malfunctioning may be as a result of a dirty pilot tube. 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 usual suspects, however, are the thermocouple, pilot tube, flex tube, and main control valve. Don’t forget to wait for it to cool down first. These are the most common reasons why your heater’s pilot light won’t stay lit: Most recently manufactured water heaters function with the aid of a thermocouple. When the pilot light goes out for any reason, the thermocouple closes the burner's gas supply valve to prevent gas escaping and filling your house. Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. When you’re done, test the heater on and see if the pilot light stays lit. Also, dealing with gas and electricity is quite delicate, which is why you should be quite careful. 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. Any advice? Another possible reason why a pilot won’t stay lit has to do with the flex tubing. 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. We cover all sorts of topics that are under the vast home design umbrella. It will light and stay lit for awhile and then go out. So in order to shower or do dishes we have to go light it every 10 minutes or so until there is enough hot water. Answer Save. Read till the end of the blog, so you can be informed of the reasons for the faults so you can prevent them in the future. Technician indicates the whole water heater needs to be changed. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. Obviously, if it doesn’t, your issue likely isn’t caused by the pilot tube. If your water heater has exceeded the warranty period and you’ve made all necessary checks and adjustments as suggested here, this may be your only move. The pilot light went out on my gas water heater. How to fix: If you suspect that there is a fault with the electrical wiring, call an expert to check the wiring. A bent, dirty, or damaged thermocouple could be the reason your water heater pilot won’t stay lit. So what’s the deal? Because it's restricting the flow of gas to the pilot. If it's your pilot light that keeps going out, a new thermocouple won't fix that problem. This pilot light may not always stay lit, due to a variety of … My pilot light went off and I tried to reignite it but it does not reignite I changed the pilot valve assembly but still the pilot light will not go on. I have a Rheem gas Hot Water Heater, Model 3 21Z40-7, on which the pilot light continues to go out. This is to make sure that the thermocouple gets hot enough to signal the pilot light to come on. 8 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit 1. On Great Pros, our network of plumbers are experts with gas water heaters and won’t have any problem assisting you. Your water heater pilot light works in concert with other parts. Below are some reasons why your burner won’t stay lit. I just had the same problem. Normally, when you have a pilot light that won't stay lit, it's because the gas line that runs from the gas valve on the water heater to where the pilot light is, it's dirty and needs to be cleaned. Email us at info@greatpros.comFor issues with a project please call 623-745-0777, Questions You Need to Ask a Contractor Before you Hire Them - Questions to Ask General Contractor, The No-Stress Guide on How to Hire a Contractor near you, How to Find a Good Contractor - Everything you Need to Look for. Once the thermocouple detects that the pilot light isn’t lit, it turns the gas off as a safety measure. Every water heater comes with some instructions. You need to troubleshoot and check your water shower. Save my name, email, and website in this browser for the next time I comment. Picture this, you wake up in the morning and your water won’t heat up. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. This also another possible reason why your pilot’s light won’t come on. Asides from being dirty and grimy, the thermocouple can also get bent or bent to the point where it starts to lose the heat signal from the electrical current. After taking the necessary precautions, clean the pilot tube with a small needle. The water heater is about 10 year old. Since the thermocouple directly allows the pilot light to get turned on it is most likely to remain on for a while. If the pilot doesn’t relight, if it goes out right after lighting or if it goes out repeatedly, by far the most common cause is a bad thermocouple. How to Fix. 2. Do you have a solution for "cleaning" or "mai … The main thing you'll notice if the hot water pilot light switches off is that your water is cold. What do I do? Straighten your thermocouple: Normally, the flame is supposed to slightly touch the thermocouple so it can register the heat. The pilot light will stay lit for about 5 minutes then go out. This is otherwise known as jump-starting the thermocouple. This issue often stems from the bad wiring of the internal devices. Before removing the thermocouple, ensure the gas is turned off, and the thermocouple is cool. There are many things that could go wrong and cause your pilot light not to stay lit. I followed the instructions and had it lit three times now for about 15 minutes each time but it wont stay lit. Have you dealt with an unlit pilot situation before? We’ll try to touch on all the possible reasons why your heater is in such a situation. 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. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. Thermocouple. On the plus side, hiring a technician or a handyman ensures that you don’t damage anything else, which will also cost more to fix. What do you do? All professionals are properly licensed, bonded, insured, and background checked so trust will never be an issue. If this fails, try switching to a lower temperature and then back to see if the burner ignites. If it is too badly damaged, you may have to replace it. Pilot light won't stay lit when you turn knob from pilot to on, it goes out as soon as the knob pops up before you can turn it to on pilot light on my Reliance 501 gas water heater won't stay lit when you turn it from light pilot to on, it goes out as soon as the knob pops up. I've had this unit since I bought my house 12 years ago and would have been installed way before that. Do not try to fix it yourself if you don’t have adequate experience. After everything has been cleaned out well, turn the gas back on and see if the pilot lights. Once the pilot comes on, turn the knob back to “on.”. 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 are 5 reasons why your pilot light won’t stay lit and how you can fix it. How to fix: In most cases, it is advisable to change the burner entirely, but first you can conduct some preliminary checks. Once cooled, use a needle to clear anything that may block the flow of gas. This is exceptionally beneficial because, in most cases, they may replace any damaged equipment or replace the water heater entirely. The water heater pilot light is a small flame that ignites the gas burner on your water heater. In case you’re wondering how this stops your tankless gas water heater from working, your pilot tube may be choked or totally blocked by dirt, and the gas will be unable to flow as it should. If it is not, you can bend the thermocouple back into alignment with the pilot tube—but only after allowing everything to … A faulty electrical system is often detected by a breaker shutdown, which causes the involuntary shutdown of the water heater. Pilot light won't stay lit when you turn knob from pilot to on, it goes out as soon as the knob pops up before you can turn it to on. I am not a professional, just documenting how i repaired the hot water heater's pilot light to stay on. If you’re unsure, use your multimeter to check the controls. Thankfully, a dirty pilot tube is the easiest issue to fix. If your gas water heater doesn’t stay lit, you may have a defective control thermostat. Gas water heater pilot light won't stay lit. Even after trying to relight the pilot light, you still may experience it going off. I have a Gas Wall Heater and the pilot won't stay lit. If the above procedure proves futile, repeat the process, and elongate the waiting time to 60 seconds. Gas Heater Pilot Light Troubleshooting. The solution was adjusting the thermocouple. This is another issue that occurs less frequently, so you must eliminate other possibilities before assuming the fault is from the main control. An unlit pilot can also stem from a dirty thermocouple as the dirt may be obstructing the current signal, which would also lead to a gas outage. If you need help with your water heater and aren’t sure what the issue is, please let us know what you need and one of our professionals will assist you. Turn the pilot dial (Dial on the top) to the pilot … If you take the time to read our blog, however, you can simplify matters in a big way. If you follow these simple steps and still have issues maybe its a bit more than just the pilot light. To confirm your suspicions, remove the thermocouple and test it with a multimeter. If your pilot light malfunctions during this period, you can always go back to where you bought it and get it fixed. However, if you are facing such issues, there may be mainly two reasons for such. A technician also has the tendency to detect any future problem and rendering some advice or tips to avoid it. Turn the thermostat dial (Dial on the front) back to zero. Hi, I’m Emma, Editor of Sunrise Specialty. This usually happens when the tube is kinked at one or many points. This is not a rare issue that most of the people can never understand. Damaged Thermocouple Solutions: Dealing with a broken thermocouple is somewhat techy, and as such, you may require the expertise of a technician if you’re not one. This is also a likely cause if the pilot won’t ignite at all. Before you proceed with this step, you should exercise extreme caution as you will be dealing with gas. Switch your thermostat to heat mode and get it up to about 80 degrees to keep it going. Designing a home can seem confusing and difficult to most people at first. A faulty main control can be the reason why the pilot light won’t stay on. If the voltage it supplies is below 20 MV, then it is damaged. We will love to hear your thoughts in the comments section below. Why Water Heater Pilot Light Won’t Stay Lit After Replacing Thermocouple? Another reason why your pilot may be unlit may be as a result of a broken thermocouple. Turn on your hot water tap and wait for about 4 -5 minutes for the burner to ignite. Clean the pilot tube: In this case, your pilot tube needs thorough cleaning to function properly. If you have tried everything and you pilot light still won’t stay lit, you may want to consult with a professional plumber. As a result, the pilot doesn’t get enough fuel to stay lit. 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. Not sure what to do at this point? The Pilot Light on My Water Heater is Lit but the Burner Does Not Light. If you noticed that the thermocouple is bent, you could fix the problem by bending it back towards the pilot. The pilot light in a water heater ignites the gas burner and thus heats the water in the tank. To start the process, turn off the gas and wait for the tube to cool. Sometimes, this tubing will get kinked in places which will prevent proper operation. The thermocouple can easily be located and cleaned. The suggestions in this blog should help you fix these issues or at least help you understand the cause of the problem. However, if this doesn’t solve the issue, you may need to change the tube entirely. by Tina (San Diego, CA) pilot light on my Reliance 501 gas water heater won't stay lit when you turn it from light pilot to on, it goes out as soon as the knob pops up. This issue is mostly attributed to electric water heaters. Hiring a technician might incur extra expenses, but it might also be keeping you safe, which should be a top priority. Gas heaters, whether they warm up air or water in a home, rely on a pilot light to trigger the flame of the actual heater. Compressed air. If you suspect this is the case, or you have noticed that your pilot light simply will not stay on for more than a few seconds, turn the pilot light on and see if it is actually aimed at the thermocouple. Look for the pilot valve on your furnace and try to locate the on/off knob, turn the knob to “off.”, The pilot light should be close to the gas burner tube, watch it closely. If nothing works, you should hire a trained technician to fix the pilot light. Well, unless you want to start the day without a shower, you battle the elements and embrace the bone-chilling cold. However, if you want your water heater to last, and if you wish to avoid future expenses, then you should consider changing the main control valve entirely. Flex Tube Issues. Our insight can guide the way for you. This part senses when the pilot light is on using an electric current. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution. If it doesn’t, remove the tube and clean it again. Most water heaters need a thermocouple. Malfunctioning Flame Sensor. This control is part of the gas valve assembly and normally has a dial that will allow for temperature adjustment and will also have a probe that monitors the water temperature. Clean cloth. A wrongly wired electrical water heater tends to blow up the fuse and shorten the circuits, which are the major issues an electric water heater experiences. The gas supply to … It doesn’t matter if you want to figure out how to design an inviting yet sleek master bedroom, either. If it doesn’t, you should replace it. It’s a $7 part and take 10 minutes to change, a monkey could do it. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up the gas … If you’re not a technician yourself, then I can imagine that at that moment, nothing is more annoying than battling with a pilot light that won’t stay lit. 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