The thermocouple is an important component you’ll see in most modern gas water heaters. Do you have a solution for "cleaning" or "mai … 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. Since the thermocouple directly allows the pilot light to get turned on it is most likely to remain on for a while. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. 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. Thankfully, a dirty pilot tube is the easiest issue to fix. Thermocouple. Very frustrating! Our insight can guide the way for you. 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. If you follow these simple steps and still have issues maybe its a bit more than just the pilot light. 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. 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. 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 . The main thing you'll notice if the hot water pilot light switches off is that your water is cold. 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. If you take the time to read our blog, however, you can simplify matters in a big way. Below are some reasons why your burner won’t stay lit. After discussing the causes, we will recommend some possible solutions that you can use to fix the problem. Well, unless you want to start the day without a shower, you battle the elements and embrace the bone-chilling cold. Obstructed Thermocouple. 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. 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. 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. As a result, the pilot doesn’t get enough fuel to stay lit. 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. I've had this unit since I bought my house 12 years ago and would have been installed way before that. Not sure what to do at this point? Once the thermocouple detects that the pilot light isn’t lit, it turns the gas off as a safety measure. Watch out for large objects as they might be the biggest culprits. Clean cloth. 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. 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. 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. Turn the thermostat dial (Dial on the front) back to zero. I just had the same problem. If you repeat the process five times, and the result is the same, then other problems might be the cause. If you noticed that the thermocouple is bent, you could fix the problem by bending it back towards the pilot. Once the pilot comes on, turn the knob back to “on.”. Here are 5 reasons why your pilot light won’t stay lit and how you can fix it. Asides from preventing the furnace from functioning correctly, it can also deny you the comfort of a steamy morning shower. Before you resort to changing the tubes, ensure that you’ve conducted all other checks because flex tube problems are generally less frequent. Hiring a technician might incur extra expenses, but it might also be keeping you safe, which should be a top priority. Replace the control valve: Most times, if the control valve gets faulty, a technician will be able to repair it. 8 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit 1. It will light and stay lit for awhile and then go out. Save my name, email, and website in this browser for the next time I comment. Thermocouples can be repaired if it is only slightly damaged. When a pilot light won’t stay lit on your gas water heater, this is exactly what you can expect. After taking the necessary precautions, clean the pilot tube with a small needle. Your water heater pilot light works in concert with other parts. Most water heaters need a thermocouple. Compressed air. After everything has been cleaned out well, turn the gas back on and see if the pilot lights. 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. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up the gas … Hi, I’m Emma, Editor of Sunrise Specialty. Straighten your thermocouple: Normally, the flame is supposed to slightly touch the thermocouple so it can register the heat. This also another possible reason why your pilot’s light won’t come on. Technician indicates the whole water heater needs to be changed. 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. 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. Sometimes your water heater pilot light won’t stay lit no matter what you do. 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. Pliers. Why Water Heater Pilot Light Won’t Stay Lit After Replacing Thermocouple? 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. This is otherwise known as jump-starting the thermocouple. Sometimes, this tubing will get kinked in places which will prevent proper operation. If you’re unsure, use your multimeter to check the controls. To confirm your suspicions, remove the thermocouple and test it with a multimeter. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. Because it's restricting the flow of gas to the pilot. I followed the instructions and had it lit three times now for about 15 minutes each time but it wont stay lit. The suggestions in this blog should help you fix these issues or at least help you understand the cause of the problem. The flame sensor is responsible for regulating the gas flow to the burner. 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. This usually happens when the tube is kinked at one or many points. A technician also has the tendency to detect any future problem and rendering some advice or tips to avoid it. On Great Pros, our network of plumbers are experts with gas water heaters and won’t have any problem assisting you. Turn on your hot water tap and wait for about 4 -5 minutes for the burner to ignite. 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. 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. Find out why everyone usesus for home projects! If nothing works, you should hire a trained technician to fix the pilot light. Your heater's pilot light allows the burner to cycle on and off while maintaining the water in the tank at a constant temperature. If this fails, try switching to a lower temperature and then back to see if the burner ignites. How to Fix. The Pilot Light on My Water Heater is Lit but the Burner Does Not Light. 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 is also a likely cause if the pilot won’t ignite at all. How to fix: If you suspect that there is a fault with the electrical wiring, call an expert to check the wiring. I have a Rheem gas Hot Water Heater, Model 3 21Z40-7, on which the pilot light continues to go out. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. Another possible reason why a pilot won’t stay lit has to do with the flex tubing. If it doesn’t, you should replace it. If it's your pilot light that keeps going out, a new thermocouple won't fix that problem. How to fix: In most cases, it is advisable to change the burner entirely, but first you can conduct some preliminary checks. If it is not, you can bend the thermocouple back into alignment with the pilot tube—but only after allowing everything to … The gas supply to … This pilot light may not always stay lit, due to a variety of … Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. Any advice? A faulty electrical system is often detected by a breaker shutdown, which causes the involuntary shutdown of the water heater. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution. So what’s the deal? Before removing the thermocouple, ensure the gas is turned off, and the thermocouple is cool. 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. Flex Tube Issues. That sounds more like a thermocouple. Gas water heater pilot light won't stay lit. If the water heater pilot stays lit after several trials, then you need to contact a professional technician who will help solve the … When the water heater pilot light goes out, first try relighting it, following the directions on the water heater label. 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. Also, dealing with gas and electricity is quite delicate, which is why you should be quite careful. The thermocouple can easily be located and cleaned. Even after trying to relight the pilot light, you still may experience it going off. Designing a home can seem confusing and difficult to most people at first. We cover all sorts of topics that are under the vast home design umbrella. 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. This usually happens when the tube is kinked at one or many points. This issue is mostly attributed to electric water heaters. We’ll try to touch on all the possible reasons why your heater is in such a situation. The pilot light in a water heater ignites the gas burner and thus heats the water in the tank. There are numerous reasons why your pilot light trips off over and over. Every water heater comes with some instructions. We will love to hear your thoughts in the comments section below. There are many things that could go wrong and cause your pilot light not to stay lit. Have you dealt with an unlit pilot situation before? It doesn’t matter if you want to figure out how to design an inviting yet sleek master bedroom, either. Don’t forget to wait for it to cool down first. 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. Answer Save. Reason 1: Dirty Pilot Tube. If your pilot light malfunctions during this period, you can always go back to where you bought it and get it fixed. This is another issue that occurs less frequently, so you must eliminate other possibilities before assuming the fault is from the main control. 1. This issue often stems from the bad wiring of the internal devices. Obviously, if it doesn’t, your issue likely isn’t caused by the pilot tube. What do you do? If you have tried everything and you pilot light still won’t stay lit, you may want to consult with a professional plumber. Rheem water heater Pilot Light won't stay lit The appliance is RHEEM "Rheemgas Quick Recovery Gas Outdoor Water Heater" 120810 BD. Switch your thermostat to heat mode and get it up to about 80 degrees to keep it going. 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. 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 usual suspects, however, are the thermocouple, pilot tube, flex tube, and main control valve. 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. 2. Do not try to fix it yourself if you don’t have adequate experience. If it is too badly damaged, you may have to replace it. 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