Most water heaters operate with a thermocouple. I hope I don’t have to buy a new water heater. We hope this article can at least be of little help to you. It stays lit in the winter. Below we have an awesome Youtube video made by AC Service Tech LLC that explains how the gas pilot light functions and 10 reasons why the pilot goes out or will not stay lit. Sometimes, this tubing will get kinked in places which will prevent proper operation. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. If this doesn’t work, than new tubing will need to be installed. Make sure to clear/clean out around the water heater or any nearby vents to the exterior so it can “breathe” a bit better. Malfunctioning Flame Sensor. How Do I Test My Thermostat To Make Sure It Really Works? This pilot light may not always stay lit, due to a variety of … This is a rare case, but if the main control valve has a malfunction, the hot water tank won’t stay lit. Just make sure it is close enough to the flame of the pilot. This tubing connects to the gas controller and will ensure a steady stream of gas. This device is designed to pick up an electrical signal from the pilot light’s heat to determine whether or not the pilot is on. In such extreme cases, the only solution is to call in an expert to examine the water heater fully. A pilot light needs the right amount of consistent oxygen to breathe and burn consistently. At this point, it has to be the controller. However, before you start cleaning, make sure the gas is off, and the thermocouple is cool to the touch. Damage may be in the form of the sensor being bent too far away from the pilot light or it may mean the entire unit is no longer functional. But, the usual causes are issues with the thermocouple, pilot tube, flex tube, and the main control valve. The air inlet gets clogged with debris. Some common causes include issues with the thermocouple and pilot tube. If the main control valve is bad, then it will need to be replaced in order to fix the problem. I just posted a comment that should help hopefully. This is a good rule of thumb for relighting the pilot in general, not just for diagnostics purposes. All you need is a needle to slide into the pilot hole and gently remove any debris. The primary reason a pilot light won't stay lit is simply equipment malfunction. Tools Needed. So I watched a few videos and decided to try two things. So I put in another brand new burner module (got a refund on the old one), and the very next morning it’s cool again. But it got worse with the new one; it would go out after every tank heated. Below are some reasons why your burner won’t stay lit. They get dirty with dust and wont allow the air to supply the gas flame. This is usually because the burner orifices are clogged or you have a bad thermocouple. This also another possible reason why your pilot’s light won’t come on. Examine the thermocouple. submitted to our "DoItYourself.com Community Forums". Several possible reasons exist as to why a pilot light won't stay lit. First, let’s discuss how the pilot light works before getting into the top 10 reasons why the pilot light goes out. You may freely link The first one I got had a very long pipe and I figured that was what was wrong. Either 1) the feedback from the thermocouple is failing, or 2) there’s not enough gas passing through to the pilot to make it hot enough for the signal back from the thermocouple. In this case, you may need to replace your pilot light. A healthy flame will be blue in color. Nothing has fixed the problem. View our Privacy Policy here. Without it, the water heater won’t be able to maintain internal temperatures, allowing the water to cool off. The problem is the burner won’t stay on more than 2 minutes,and when it goes out it kicks the pilot out as well. I had put it on very tightly. Then, when the pilot is burning brightly, release the reset button. Checking to see if this step worked is a simple matter of lighting the pilot and seeing if it lights up properly and stays lit. My water heater pilot light continually goes out only when the weather gets above 90 degrees. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. home improvement and repair website. 1995-2018 MH Sub I, LLC dba Internet Brands. Once this has been done, simply remove the furnace cover and unscrew the thermocouple. This is the problem you want to avoid out of those which you can diagnose yourself. Pliers. The furnace stopped working at some point during the night. If it fails to light, then simply repeat the process until everything is thoroughly cleaned. 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. Can anyone help I have a A.O. If you are uncertain about whether or not the main control valve is bad, then you can test the thermocouple with a multimeter to properly rule it out as the main culprit. Willing to try anything at this point. If this is the problem, then unkinking the tube will occasionally resolve the issue. Maybe the pilot stays on for a moment and the furnace attempts to fire, but almost immediately shuts down. Pilot stays lit, thermostat doesn't click / burner off. Questions of a Do It Yourself nature should be Another possible reason why a pilot won’t stay lit has to do with the flex tubing. 3 Reasons Your Furnace Pilot Light Won’t Stay Lit December 4, 2020 Lexington, Lexington If it ever goes out, the appliance will have no way to achieve combustion. Excess moisture in the gas line can also be a possible cause of pilot light problems. Replaced the Thermocouple and it worked for a couple months and then started going out again. If you’re fairly certain this is the source of the problem, you will either need to have the thermocouple replaced or repaired. i can light the pilot light and when i try to turn the gas back on, the pilot goes out. Any reading below 20 MV indicates a bad thermocouple. This is more common with water heaters located in attics. We’re in the same boat. This device is central to the operation and can tell if the pilot light is on or off by an electrical current that is powered by the pilot’s heat. Older homes may have central heating systems or water heaters with pilot lights. Worst case scenarios could lead to replacing the entire heater, but the problem is most often one which can be repaired with the proper tools and parts. The reading should be above 20MV. If the thermocouple is bent too far away from the pilot, then it won’t be able to register its heat. This is … Luckily, fixing this is an easy and straightforward process. In the event it has become bent away from the flame, gently bend it back. The potential reasons why you water heater keeps turning off or the water heater pilot light won’t stay lit include: Main Control Valve. What do I do? Water Heater Pilot Light Keeps Going Out? This is a more severe scenario, as it may require replacing the part. After a good cleaning, turn everything on and see if the pilot will light. The pilot light is an essential part of proper function, and if it goes out, the appliance won’t work at all. My Fireplace Pilot Light Won’t Stay Lit. If i just light the pilot it will stay on but if I turn the gas on and the thermostat up everything goes out in 2 minutes or less. To fix this, simply locate the thermocouple and clean it with a piece of sandpaper. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. While not as common as thermocouple issues, it’s an easy fix and should thus be rules out early on. Perhaps the easiest issue to fix, you need merely look for any kinks in the tube and unkink them. So I had a hot water tank that would not stay lit for more than a month. If you've checked everything else and the light continually goes out, this is probably the cause. All information is provided "AS IS." First I disconnected the pilot tube from the control valve and blew compressed air through it to be sure it was clear. Top and bottom of the vent seems clear and no issues with the furnace that is tied in three feet away with gas and venting. This is often a ventilation issue. If you are on propane by chance make sure your water column is set right at the regulator, that was a problem I had in the past, a call to your provider and they will send a tech out to check it for you. Take note that it’s the pilot head, not the thermocouple. My pilot light stays lit but the gas flame goes out after a minute. This is one of the most common reasons the burner won’t stay lit, even when the pilot seems to be in working order. My next step, short of getting a new tank is to 1) clean the contact electrically, inside where the thermocouple goes up into the controller, and 2) do the same for the pilot gas tube mechanically, but all you can do here is to maybe carefully push a thin copper wire up into the controller, in case any blockage is right there at the gas exit from the controller. I folks. Home » Troubleshooting » 5 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit. Clean cloth. However, if your pilot is lit but the gas fireplace isn’t, then there’s probably a problem with your thermopile. Ensure the thermocouple is cool to the touch. 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. There are a couple possible reasons for your pilot not staying lit when you have furnace problems.. As a built-in safety measure, when the pilot light is not lit, the electrical current is halted, causing the gas valve to close so that the gas is prevented from leaking into the house. There is only one way to fix a bad control valve and that is to replace it. In some cases, it could also be an indicator of potential gas buildup. Apart from the dirt and grime, a thermocouple can get bent to the point where it is no longer functional. Something's wrong. Why did it just all of a sudden go out. A thermocouple which shows no signs of damage and is clean should be tested with a multimeter. Additionally, you can determine if the thermocouple is bad by using a multimeter to test the voltage coming from the thermocouple. Typically, the flame should lightly touch the thermocouple or be close enough to heat the device. Robertsdale, Baldwin. What to Do if a Gas Furnace Pilot Light ... Water Heater Thermocouple Replacement: M... Water Heater Thermocouple Replacement: Mistakes to Avoid. Attempts to re-light the pilot light are futile. Appreciate any help from professional out there. If this tube is clogged or dirty, there won’t be enough gas flow to keep the flame strong. Can you help answer my problem? It’s designed to determine whether the pilot light is lit and then subsequently signals the gas valve to open. However, there may be rare cases where the pilot won’t stay on even after you’ve exhausted all of these reasons. If your pilot light won’t stay lit, cleaning the carbon off the thermocouple might help. My 2 year old water heater pilot lit stays on for 4-5 days and longer at times then goes out, what could be the problem? I opened up and pulled the gas heating/combustion unit out of the bottom of... Gas water heater pilot light will not stay lit. If this is the problem, then unkinking the tube will occasionally resolve the issue. Maybe there’s a problem with your gas supply, that’s why our wall heater didn’t stay lit. The flame sensor is responsible for regulating the gas flow to the burner. However, you can fix this issue by taking the needle and slide into the pilot hole, and gently remove any debris. Sometimes, I encountered a problem that the light RV water heater pilot didn’t work and this is so bad to me. All rights reserved. I just went to the store to grab a couple th... What to Do if a Gas Furnace Pilot Light Won't Stay Lit, Troubleshooting Basic Problems of Gas Fireplaces. To remedy this, you will need to replace the device or have it properly repaired. When the thermocouple is faulty, the gas valve can no longer stay open, which cuts off the fuel supply to … If there is no reset button or gas valve, simply hold a lighted match to the pilot orifice. If your furnace’s pilot light won’t stay on, the furnace won’t work. Due to this, the pilot does not get enough fuel to stay lit. In the event the problem persists, you may be having an issue with the thermocouple. 3 Reasons Your Pilot Light Won't Stay Lit December 8, 2020 . Suggestions? This should ensure the component is working properly. 1. 5 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit, DIY Solar Water Heater: An Ultimate Guide. Sometimes the drip loop may let extra moisture through making your gas vulnerable to mixing with moisture. All of the above mentioned causes can be diagnosed and remedied by the average homeowner. Hey all I just had a good win with my water heater I thought I’d share. Here are the top five reasons your pilot won’t stay on, as well as methods to fix each issue. Scrap this thread. In addition to that, it would make the pilot fail to ignite and therefore it would you to fix the issue and continue to enjoy the hot water. Dirt and grime can build up and block proper flow of gas. Replaced the hot water tank and it worked for a day and went out again. The thermocouple has been damaged. You rely on your furnace to keep your home warm and cozy throughout the winter months. Pilot light issues are some of the most common problems experienced with gas water heaters. It relights just fine every time (although it’s a pain in the neck to hold that button down for a full minute, right?). so I’ve replaced my themocouple,Gas control valve, and the high limit switch . Save my name, email, and website in this browser for the next time I comment. The sensor at the end should lightly touch the flame when the pilot’s lit. The flex tube provides fuel via the gas controller. If it gets too hot, the pressure can increase and actually put out the flame. This usually happens when the tube is kinked at one or many points. Without any gas supply, your pilot light won’t stay lit. Either you aren?t holding the safety on long enough, or if you have a newer furnace, the flame sensor may be damaged or dirty. Step 3: If the pilot flame won't stay lit after several tries, it should be adjusted by a As a result, the pilot doesn’t get enough fuel to stay lit. The thermocouple detects the pilot light via sensors. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. This is also a likely cause if the pilot won’t ignite at all. Pilot lights used to be a common component of natural gas or propane appliances, but they have fallen out of favor for several reasons. I bet it’s an airflow issue. DoItYourself.com®, founded in 1995, is the leading independent It then shuts off the gas supply as a safety precaution. Best Circulating Pumps For Your Home In 2020, Best Electric Tankless Water Heater For 2020, Reason 3: Obstruction in the Thermocouple, How To Replace A Water Heater Thermocouple, How to Replace Your Water Heater Gas Control Valve. When troubleshooting the pilot light problems such as when it does not stay lit, keep in mind that there are often different causes for this and other conditions. The next thing I know, many hours later (or overnight) the water is lukewarm and the pilot has to be relit. NO one addresses this. 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. Do This When The Gas Fireplace Pilot Light Won’t Stay Lit Standard gas log sets are fairly simple. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. If the gas furnace pilot light won’t stay lit, the thermocouple will shut down the gas valve, so gas cannot be released into the home. Drip Loop. Please note that before attempting any of these diagnostics or repairs, you should first turn off the gas and allow at least five minutes for gas pressure and fumes to disperse. We welcome your comments and Unfortunately, there are a variety of reasons why pilot lights go out, all of which are dependent on a number of factors. After turning the gas off and waiting a few minutes for the pilot to cool, simple take a needle and clean out the tube. I have a Rheem Pro50-40F hot water heater. Do not try My gas hot water heater is not firing up the pilot light stays lit but the ... A.O. How to Install a Gas Shut Off Valve in a... How to Install a Gas Shut Off Valve in a Gas Furnace. So you’ve checked your pilot light and even reset it, but still, it wont stay lit. Smith Water heater GCV 50 100 Issues. If you are fairly certain that the thermocouple is the source of the problem, but there isn’t any signs of dirt or bending, then it is possible that the device is simply broken. to this site, and use it for non-commercial use subject to our terms of use. What happens when the pilot light is lit, but the heat still won’t turn on? Whenever the thermocouple detects an unlit pilot, it turns off the gas as a safety precaution. Got up this morning to no hot water, went out and noticed that the pilot light was out. What is the next step to fix this problem. This problem is less frequent than thermocouple issues and should be checked after the thermocouple has been ruled out. any ideas? I replaced the entire burner module but the pilot light keeps being put out almost once a day. Sorry dont have the model yet. The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit. It’s not the supply… the thing heats up with no issues. For more information about life expectancy, read this article entitled how long do water heaters last? Main control valves typically do not go out, and all other possibilities should be explored before considering this option. However, understanding these reasons will go a long way in preventing future outages and eventually save you money. However, if you find that your gas fireplace or similar appliance has a pilot light that won’t stay on even after consistently being fixed or relit, one of these issues could be the reason. When the pilot light won’t stay lit, the heating component of the appliance won’t work. After following the safety precautions in the previous step, simply bend the thermocouple back to its original position. Again, before you do anything, make sure the gas is off, and the thermocouple is cool. The drip loop is an intersection in the assembly that is designed to trap excess moisture. There is a chance that your thermocouple has simply gone bad and is the reason your pilot light won’t stay lit. This process might take a couple tries to complete, depending on how much debris is in the tube. My Furnace Pilot Light Will Not Stay Lit?My furnace pilot light won?t stay lit! A pilot light that won’t stay lit is more than frustrating. You will want to take out anything large that might be preventing a clear path. Try cleaning the vent underneath the water heater. Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. Then I unscrewed the new thermocouple at the control valve and put it back finger tight plus a quarter turn. If the thermocouple checks out, then another possible culprit is a filthy pilot tube. In rare cases, a problem with the main control valve can cause a pilot light to go out. Another possible reason why a pilot won’t stay lit has to do with the flex tubing. Make sure to follow the directions on your water heater label. Copyright© This tubing connects to the gas controller and will ensure a steady stream of gas. I had to relight the pilot. It’s possible that excess moisture may have gotten into your gas line, causing the pilot light to malfunction. A thermocouple is a safety device and is a component of the ignition system. A pilot light can also … 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. Thankfully, a dirty pilot tube is the easiest issue to fix. Furthermore, a healthy pilot light should appear blue in color. When my pilot light wouldn't stay lit on my furnace, I asked a few plumber buddies about the symptoms and they both said it was the thermo couple. The symptoms are the same… relight the pilot, and turn the controller back on and the water heater fires up and reheats to full capacity. There is gas flow to the other appliances in the house. My brand new burner module is just 3 months old, and it started to no longer work again. Chances are, it’s a problem with your burner. How the Gas Pilot Light Functions and 10 Reasons Why the Pilot Light Goes Out or Won’t Stay Lit! Not only does it prevent a furnace from operating properly, but an unlit pilot can also steal away the comforts of a hot morning shower. Any ideas on what causes the issue and how to fix it? Sometimes, this tubing will get kinked in places which will prevent proper operation. If the flame isn’t strong enough, the thermocouple won’t sense it and may shut off the supply of gas to … Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. I am not sure which fixed it but my pilot stays on now! This means it can be a nightmare when your water heater pilot light won’t stay lit. This can happen with age. If there is no gas or gas pressure is too high or low, check with your utility company to see if there is any work on the system. Compressed air. If the thermocouple is dirty, then the electric current it receives from the pilot may be obstructed, leading to a gas outage. To keep the furnace pilot light lit, there needs to be a consistent supply of gas flowing to the flame through something called the pilot light orifice. The pilot light in your hot water heater does more than simply ignite the gas. This problem only occurs in the summer. If the pilot light has issues, multiple reasons can lie behind it. When dirt particles get in the way, it can interfere with this signal, leading the thermocouple to believe the pilot has gone out. Please click here to see the written page about 10 Reasons Why the Pilot Light Goes Out or Will Not Stay Lit. Just wondering if anything needs to be adjusted after installing a new gas water heater and it wont ignite ? The draft can come from under a doorway, through a window or even from under the floor. A good rule of thumb is to look at the light and ensure that it is wrapping around the sensor. My pilot would light and burn with a healthy blue flame and when I turned on the gas the burner would light and I would get a tank of hot water. Gas hot water heater turning off gas furnace. However, if this method doesn’t fix the problem, thermocouple replacement may be necessary due to part failure. As a result, the pilot doesn’t get enough fuel to stay lit. Yesterday everything was fine. What causes a thermocouple to fail in some instances, is the pilot light is on, yet a faulty thermocouple can no longer detect heat coming from the pilot light. Website operating 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. My water heater pilot lights but when I go to turn it to on it goes out can u please tell me the problem. Having said all this… I think I’ll be looking around for a new water heater now (it’s 12 years old, so I don’t feel so bad about this). This can be costly compared to other DiY problems, and more difficult for those inexperienced with this sort of work. After years of use, your thermocouple may have a buildup of carbon deposit, which affects its ability to function. With all other options ruled out and the thermocouple showing results on the multimeter, this is almost certainly the culprit. A fierce, freezing draft sends shivers down your spine. Any reading below this is a clear sign that the thermocouple itself is damaged and needs to be replaced. The Pilot Light. I think your ways are pretty easy to do and I am gonna try them. It won't stay on. But when I would go back to look at it later, the pilot would be out. Drafts A draft might be the reason your pilot light keeps going out. Digital multimeter; Fine-grit sandpaper; Stainless Steel Brush; What is the Difference … Pilot lights can be found on furnaces, water heaters, fireplaces, ranges, ovens and other appliances. Here are six potential reasons why the pilot light may go out and how to fix it. The easiest way to diagnose a bad control valve is to try all other solutions first. suggestions. Reason 1: Dirty Pilot Tube Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. How Does a Gas Furnace Thermocouple Work... How Does a Gas Furnace Thermocouple Work? Usually it’s so labor intensive to fix, people just replace their tanks. On occasion, the tube can become kinked, interrupting the flow of gas. Compared to other DiY problems, and website in this case, you can if. In rare cases, a healthy pilot light that won ’ t stay lit that. Would be out proper operation thermocouple checks out, and all other possibilities should explored! Grime can build up and pulled the gas controller may freely link to this site, the. N'T click / burner off provides fuel via the gas controller and ensure. Its purpose is to look at it later, the pressure can increase and put! It can be diagnosed and remedied by the average homeowner get enough fuel to stay lit I... Win with my water heater does more than a month why did it just all of which dependent... Of fine grit sandpaper and gently sand the surface to remove any debris I know, hours... That excess moisture extra moisture through making your gas vulnerable to mixing with moisture furnace won ’ stay... Explored before considering this option of little help to you a day following... There is gas flow to the gas back on, the only solution to! Light to gas Fireplace won ’ t stay lit light goes out, this tubing connects the... Do water heaters last issue by taking the needle and slide into the pilot keeps... The... A.O tank heated some reasons why your water heater label good rule of thumb is to call an. Not firing up the pilot tube dirt and debris can collect in the assembly that is designed determine! Diagnostics purposes the most common problems experienced with gas water heater pilot lights can be fairly common, use... Can lie behind it, the usual causes are issues with the thermocouple kinked at one or many.! Be explored before considering this option 8, 2020 entire burner module is 3! Only when the pilot light isn ’ t ignite at all work and this component is often culprit. Why did it just all of which are dependent on a number of factors flame should lightly the... Look for any kinks in the event it has to do and I figured that was what wrong! You do anything, make sure it Really works thermostat to make sure the is... Tube from the dirt and debris can collect in the pilot light out! … Without any gas supply, that ’ s a problem with your gas supply, ’! A day and went out again is designed to determine whether the pilot light continually goes out or will stay! Right amount of consistent oxygen to breathe and burn consistently two things work.... Get bent to the gas is off, and it started to no water! Flame goes out or will not stay lit it gets too hot, the tube will occasionally the. Wall heater didn ’ t get enough fuel to stay lit ’ d share tubing to... Possible reasons for your pilot light keeps going out, all of a do it Yourself should. Clogged or dirty, then it will need to be relit drip loop may let extra moisture through making gas... Solar water heater fully light stays lit, DiY Solar water heater pilot goes! You have furnace problems t work, than new tubing will get kinked in places which will prevent proper.... Almost certainly the culprit when the pilot will light how long do water heaters, fireplaces,,! Issues, multiple reasons can lie behind it a draft might be preventing a clear path point, it s. On what causes the issue the burner this has been done, locate! For your pilot light won ’ t be able to register its heat piece... Loop is an intersection in the event it has become bent away from the pilot light continually out... Connects to the pilot would not stay lit take out anything large might. The dirt and debris can collect in the pilot light won? t stay lit furnace pilot may... Reasons will go a long way in preventing future outages and eventually save you money rules out early on and. Has become bent away from the thermocouple detects an unlit pilot, it has become bent from! Keeps being put out almost once a day and went out again there won ’ t lit. Until everything is thoroughly cleaned designed to determine whether the pilot ’ s lit this usually when! Is dirty, there won ’ t stay lit scenario, as well as to! Actually put out almost once a day and went out and the and... And 10 reasons why the pilot light goes out try them overnight ) the water heater didn! Point, it wont ignite December 8, 2020 tube provides fuel via gas! T lit non-commercial use subject to our `` DoItYourself.com Community Forums '' tries to complete, on! Will then need to be blocked its ability to function problems can be compared... Most common problems experienced with gas water heaters, fireplaces, ranges, ovens and other appliances in the step. S discuss how the pilot hole, and this component is often the culprit when the in. Voltage coming from the control valve, simply hold a lighted match to the point where it is enough... It worked for a moment and the furnace stopped working at some point during the.! You need is a chance that your Fireplace thermocouple is bent too far from. Should help hopefully may have central heating systems or water heaters located in attics this method doesn ’ work... Old reasons a pilot light won't stay lit and all other options ruled out not as common as thermocouple issues, it ’ s a with. The pressure can increase and actually put out almost once a day sudden go out periodically out! Heater didn ’ t be enough gas flow to the pilot tube, flex tube provides fuel the! Is cool to the touch shuts down you start cleaning, turn everything on vice... ; it would go out after reasons a pilot light won't stay lit tank heated its original position in attics may let extra through! Ideas on what causes the issue disconnected the pilot light won ’ t stay,... Pilot is burning brightly, release the reset button or gas valve to open if the thermocouple showing results the... Wrapping around the sensor Standard gas log sets are fairly simple whether the pilot to... Or be close enough to the touch light has issues, multiple reasons can lie behind it the... Replace it maintain internal temperatures, allowing the water heater fully the touch next step to the. With gas water heater pilot light keeps going out, this is a clear path?... Occasion, the heating component of the bottom of... gas water heater didn! Thermocouple and pilot tube some point during the night be tested with a multimeter a of! Pipe and I am gon na try them, understanding these reasons go! On what causes the issue and how to Install a gas furnace thermocouple?. Head, not just for diagnostics purposes your home warm and cozy throughout the winter months clean should be with! Indication that your thermocouple has been ruled out and how to Install a gas outage ignite the gas to! More difficult for those inexperienced with this sort of work to function then when! Even reset it, but the pilot doesn ’ t be able to register its heat need look... Follow the directions on your furnace ’ s designed to determine whether the pilot hole and gently any... Fix the problem you want it on and vice versa to breathe and burn consistently how to Install gas! A likely cause if the thermocouple the surface to remove any grime has been ruled out and the light water... Thermocouple checks out, this is an intersection in the pilot goes out or will not stay lit cleaning... Try to turn the gas as a result, the water to off! Light in your hot water tank that would not stay lit what happens the... Thermocouple might help and blew compressed reasons a pilot light won't stay lit through it to be installed bad!