After discussing the causes, we will recommend some possible solutions that you can use to fix the problem. Very frustrating! Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. After everything has been cleaned out well, turn the gas back on and see if the pilot lights. If the above procedure proves futile, repeat the process, and elongate the waiting time to 60 seconds. 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. The pilot light will stay lit for about 5 minutes then go out. This is to make sure that the thermocouple gets hot enough to signal the pilot light to come on. 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. When the water heater pilot light goes out, first try relighting it, following the directions on the water heater label. Turn the thermostat dial (Dial on the front) back to zero. 1. The usual suspects, however, are the thermocouple, pilot tube, flex tube, and main control valve. Obviously, if it doesn’t, your issue likely isn’t caused by the pilot tube. Please advise. Thermocouple. Watch out for large objects as they might be the biggest culprits. Our insight can guide the way for you. This is also a likely cause if the pilot won’t ignite at all. If you check the thermocouple and it isn’t dirty, grimy, or curved, it may have been damaged. If the voltage it supplies is below 20 MV, then it is damaged. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. We’ll try to touch on all the possible reasons why your heater is in such a situation. There are many things that could go wrong and cause your pilot light not to stay lit. I have a Rheem gas Hot Water Heater, Model 3 21Z40-7, on which the pilot light continues to go out. Designing a home can seem confusing and difficult to most people at first. If nothing works, you should hire a trained technician to fix the pilot light. 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 water heater is about 10 year old. 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. If it is too badly damaged, you may have to replace it. 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. Before you resort to changing the tubes, ensure that you’ve conducted all other checks because flex tube problems are generally less frequent. Once the pilot comes on, turn the knob back to “on.”. Pliers. Replace the control valve: Most times, if the control valve gets faulty, a technician will be able to repair it. Why Water Heater Pilot Light Won’t Stay Lit After Replacing Thermocouple? Gas water heater pilot light won't stay lit. 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. Malfunctioning Flame Sensor. 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. The Pilot Light on My Water Heater is Lit but the Burner Does Not Light. Technician indicates the whole water heater needs to be changed. Before removing the thermocouple, ensure the gas is turned off, and the thermocouple is cool. Since the thermocouple directly allows the pilot light to get turned on it is most likely to remain on for a while. I followed the instructions and had it lit three times now for about 15 minutes each time but it wont stay lit. You need to troubleshoot and check your water shower. Do you have a solution for "cleaning" or "mai … Gas Heater Pilot Light Troubleshooting. This tubing connects to the gas controller and will ensure a steady stream of gas. The main thing you'll notice if the hot water pilot light switches off is that your water is cold. This is exceptionally beneficial because, in most cases, they may replace any damaged equipment or replace the water heater entirely. 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. 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. If this fails, try switching to a lower temperature and then back to see if the burner ignites. On Great Pros, our network of plumbers are experts with gas water heaters and won’t have any problem assisting you. 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 . Another reason why your pilot may be unlit may be as a result of a broken thermocouple. Any advice? How to fix: In most cases, it is advisable to change the burner entirely, but first you can conduct some preliminary checks. If you follow these simple steps and still have issues maybe its a bit more than just the pilot light. 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. There are numerous reasons why your pilot light trips off over and over. 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. A technician also has the tendency to detect any future problem and rendering some advice or tips to avoid it. Obstructed Thermocouple. Not sure what to do at this point? The pilot light in a water heater ignites the gas burner and thus heats the water in the tank. 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. What do you do? Reason 1: Dirty Pilot Tube. Questions? If it doesn’t, remove the tube and clean it again. Rheem water heater Pilot Light won't stay lit The appliance is RHEEM "Rheemgas Quick Recovery Gas Outdoor Water Heater" 120810 BD. To confirm your suspicions, remove the thermocouple and test it with a multimeter. The flame sensor is responsible for regulating the gas flow to the burner. Well, unless you want to start the day without a shower, you battle the elements and embrace the bone-chilling cold. 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. In most cases, most water heaters tend to come with a 1 or 2-year warranty. A faulty main control can be the reason why the pilot light won’t stay on. Save my name, email, and website in this browser for the next time I comment. 2. How to Fix. Clean the pilot tube: In this case, your pilot tube needs thorough cleaning to function properly. Your heater's pilot light allows the burner to cycle on and off while maintaining the water in the tank at a constant temperature. As a result, the pilot doesn’t get enough fuel to stay lit. 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. This is another issue that occurs less frequently, so you must eliminate other possibilities before assuming the fault is from the main control. If you’re unsure, use your multimeter to check the controls. 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 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. 8 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit 1. Email us at firstname.lastname@example.orgFor 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. The thermocouple can easily be located and cleaned. Sometimes, this tubing will get kinked in places which will prevent proper operation. If you noticed that the thermocouple is bent, you could fix the problem by bending it back towards the pilot. Clean cloth. If it is not, you can bend the thermocouple back into alignment with the pilot tube—but only after allowing everything to … If it doesn’t, you should replace it. We cover all sorts of topics that are under the vast home design umbrella. Straighten your thermocouple: Normally, the flame is supposed to slightly touch the thermocouple so it can register the heat. 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. This is not a rare issue that most of the people can never understand. If you take the time to read our blog, however, you can simplify matters in a big way. While most homeowners might consider this a last resort, you should understand that most people are not DIY-inclined. Below are some reasons why your burner won’t stay lit. Most water heaters need a thermocouple. What do I do? It’s a $7 part and take 10 minutes to change, a monkey could do it. This issue often stems from the bad wiring of the internal devices. I am not a professional, just documenting how i repaired the hot water heater's pilot light to stay 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. This usually happens when the tube is kinked at one or many points. The thermocouple is an important component you’ll see in most modern gas water heaters. Sometimes your water heater pilot light won’t stay lit no matter what you do. Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution. The water heater pilot light is a small flame that ignites the gas burner on your water heater. I have a Gas Wall Heater and the pilot won't stay lit. Hiring a technician might incur extra expenses, but it might also be keeping you safe, which should be a top priority. When you’re done, test the heater on and see if the pilot light stays lit. Thankfully, a dirty pilot tube is the easiest issue to fix. Before you proceed with this step, you should exercise extreme caution as you will be dealing with gas. 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. Once the thermocouple detects that the pilot light isn’t lit, it turns the gas off as a safety measure. That sounds more like a thermocouple. Check the flex tube: Check along the tube to straighten it, so there’s no obstruction to the flow of gas. We will love to hear your thoughts in the comments section below. Asides from preventing the furnace from functioning correctly, it can also deny you the comfort of a steamy morning shower. Even after trying to relight the pilot light, you still may experience it going off. Also, dealing with gas and electricity is quite delicate, which is why you should be quite careful. 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. Thermocouples can be repaired if it is only slightly damaged. However, if you are facing such issues, there may be mainly two reasons for such. Find out why everyone usesus for home projects! Why a Water Heater Pilot Light Won’t Stay Lit The primary reason a pilot light won't stay lit … 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. 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. 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. 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. If you have tried everything and you pilot light still won’t stay lit, you may want to consult with a professional plumber. This also another possible reason why your pilot’s light won’t come on. If the water heater pilot stays lit after several trials, then you need to contact a professional technician who will help solve the … 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. Your water heater pilot light works in concert with other parts. 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. Some advice or tips to avoid it i have a solution for `` cleaning '' or `` …. Thermocouple so it can register the heat some advice or tips to avoid it anything that may block the of. To electric water heaters and won ’ t stay lit and how you can always go to! Has been cleaned out well, unless gas water heater pilot light won't stay lit want to start the process turn... The flame goes out tendency to detect any future problem and rendering advice... 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