If the pilot lights but the flame goes out as soon as you release the button after holding it for 60 seconds, then the thermocouple … Why it is more dangerous to touch a high voltage line wire where current is actually less than households? The Pilot tube supplies gas to the pilot light for combustion. Stocking the largest selection of appliance parts, heating, plumbing, lighting, and janitorial supplies, AMRE ships almost anywhere in Canada within 24 - 48 hours. I tried lighting (I know how) and it would not stay lit even after holding over three minutes. A complete graph on 5 vertices with coloured edges. This means it can be a nightmare when your water heater pilot light won’t stay lit. Is Mr. Biden the first to create an "Office of the President-Elect" set? How is HTTPS protected against MITM attacks by other countries? ... hot water heater pilot light wont stay lit, went out last night. Thanks. Although a blocked gas line is one reason why the pilot light on a Rheem water heater won't light or stay lit, there are other reasons as well--some easier to correct than others. Replace the burner assembly if it's at fault. Pilot on white rodgers rv hot water heater won't stay lit. The thermocouple is the copper rod the pilot flame directly hits. I replaced the thermocouple. After installation, I also did the detergent test to make sure the gas connections are secure and not leaking. The pilot stays lit anywhere from 20 minutes to several weeks. Ask Your Own Appliance Question. Once you’re done, put it back and light your water heater. It consists of a heat sensor connected to a solenoid; when the sensor is not heated by the pilot flame, the solenoid closes the gas supply line. In simple terms, it’s a short piece of tubing that runs from the gas controller to the pilot. This started occurring after I did some gas plumbing and had to relight the pilot. To learn more, see our tips on writing great answers. Submitted: 11 years ago. If the thermocouple is dirty, then the electric current it receives from the pilot may be obstructed, leading to a gas outage. Relight the pilot light. The procedure for lighting a standing pilot always includes lighting the flame, then manually holding in the gas valve to keep the flame burning and give the thermocouple time to heat up. As far as I can tell, the gas valve gets information only from the burner thermocouple and from the thermostat. If your gas water heater doesn’t stay lit, you may have a defective control thermostat. If your pilot light gets lit but it won’t stay for long, then there is a problem in the thermocouple. If the pilot flame in your water heater keeps on going out or won't stay lit, then it could be a problem with the thermopile or thermal cutoff ... No hot water? The good news: You can usually replace a thermocouple for minimal cost and in less than an hour. Sometimes if the gas valve is just barely bad a hotter thermocouple will work for a short time but finding a hotter thermocouple is just hit and miss. Why would merpeople let people ride them? Whenever the thermocouple detects an unlit pilot, it turns off the gas as a safety precaution. my pilot light won't stay lit. In some cases, it could also be an indicator of potential gas buildup. Is it possible it's just the thermocouple? Share this conversation. A broken or damaged thermocouple needs not to shout that it is the reason why your gas water heater burner won’t stay lit. Sunday, we ran out of hot water, I checked and found one of them not lit. A water heater or furnace thermocouple may be bad if you can light the pilot but it won't stay lit when you release the control knob after lighting it. Asking for help, clarification, or responding to other answers. Category: Appliance. No hot water? I turn on the main burner and sometimes it'll stay on for a day or two and sometimes it shuts off after about a minute. The procedure for lighting a standing pilot always includes lighting the flame, then manually holding in the gas valve to keep the flame burning and give the thermocouple time to heat up. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. There seems to be a secondary thermocouple-type wire running alongside the thermocouple and pilot gas line, though I ensured the thermocouple is not in contact with anything else. Last night I replaced the thermocouple (TC), cleaned the screen, hooked it up and it still would not light. The gas water heater has ventilation interlock switches. The pilot won't stay lit on my furnace, when I release the button it just goes out. The No. There is one thing that you can do yourself. Replace the thermostat if it doesn't turn on the burner to heat the water. The pilot won't stay lit on my furnace, when I release the button it just goes out. There is a chance that your thermocouple has simply gone bad and is the reason your pilot light won’t stay lit. Now I can't get the pilot to stay lit at all. A faulty thermocouple or malfunction of the gas valve could be the culprit, but the problem may be as simple as a draft coming from a crack in the wall or under the door. In this episode of Repair and Replace, Vance shows how to troubleshoot the pilot flame in a water heater with an electronic gas valve. If the pilot light on your water will not remain lit and you have gas flow, the thermocouple may need to be replaced. Show Less. Note: You must have the pilot lit and the burner on to test for leaks, so that gas is flowing through the large tube. If the water heater pilot light won't stay lit after replacing thermocouple, the chances are that it may be broken. 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 was OS/2 supposed to be crashproof, and what was the exploit that proved it wasn't? It's a safety mechanism that shuts the gas off should the pilot go out. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. If a water heater pilot won't light at all, the thermocouple probably isn't the problem. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution. When the gas burner comes on, use a 50/50 dish soap/water mix to test the screw joints for air bubbles that indicate leaks. Curved Thermoc ouple. The No. Having to relight it almost daily. Making statements based on opinion; back them up with references or personal experience. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. How to build the [111] slab model of NiSe2 with different terminations with ASE tool? I can get the pilot lit and it'll hold a flame. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. No drafts. All went well and it lit and fired the burner. If your pilot light won’t stay lit, the thermocouple is very likely the culprit. My mid-1970's vintage Kenmore gas water heater (model #153.334110) is malfunctioning. The pilot flame may be too weak to heat it to the proper temperature, and that could be because the pilot tube is blocked. Your water heater pilot light works in concert with other parts. Why does my symlink to /usr/local/bin not work? Sometimes, the tube might be partially clogged and supplying very little gas for combustion- No wonder your pilot light keeps going out. Read on for reasons why, and what you can do to fix it. I replaced the thermocouple yesterday and could light the pilot and the burner would ignite and heat the water then shutoff and the pilot would shut off at the same time. 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. A couple of days go by, and as I'm changing the humidifier filter, I notice the pilot light is out once again. A universal thermocouple is inexpensive and can be purchased at most major hardware stores. That small characteristic blue flame is essential for a gas water heater to work. By James Carey, Morris Carey . When a thermocouple fails, the pilot light won't stay lighted. So if a pilot light won’t stay lit, you’ll want to find out what’s causing the problem right away. When a gas water heater pilot won’t stay lit, the water heater can’t heat the water inside the tank. Expert help is available online, over the phone or in person at one of the many locations across Canada.Connect with AMRE SupplyWebsite - https://www.amresupply.com/Facebook - https://www.facebook.com/amresupplyTwitter - https://twitter.com/amresupplyInstagram - https://www.instagram.com/amresupply Is my Connection is really encrypted through vpn? If it still won't stay lit then just replace it. This can happen with age. I really appreciate your response. If that does not solve the problem, then the whole valve needs to be replaced. Pilot won't stay lit after replacing thermocouple. Replaced the gas control with one from another tank and it worked for about a week. Pilot light won't stay on? Learn how to replace this inexpensive part and keep your hot water heater working for years to come. Is that not feasible at my income level? If a water heater pilot won't light at all, the thermocouple probably isn't the problem. Why Water Heater Pilot Light Won’t Stay Lit After Replacing Thermocouple? about $6 -10 at a hardware store or Home Depot. A faulty thermocouple or malfunction of the gas valve could be the culprit, but the problem may be as simple as a draft coming from a crack in the wall or under the door. Now I can't get the pilot to stay lit at all. When the water heater pilot light goes out, first try relighting it, following the directions on the water heater label. Can someone recommend the next best course of action to keep my pilot lit? Remove the burner assembly and detach the thermocouple. 2. rev 2020.12.18.38240, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, Seems this model was made between 1967 and 1969. If this is your case, you can replace it or have it properly repaired by an experienced technician. The new thermocouple is a cheap "universal" thermocouple that I purchased from Amazon and it doesn't seem to sit in place tight but I don't think it's moving. One week later, the pilot would light but go out when button released. The Solution: Thorough cleaning should do … my pilot light won't stay lit. If the reading is under 400 millivolts, then the thermopile should be replaced. Is the gas valve inside the control module? The gas supply to the pilot assembly is controlled by this valve. The thermocouple, which operates as a safety device, turns the gas supply off when the pilot light goes out. Test for Gas Leaks. The thermocouple is triggered by an electric current produced by the pilot light. Lucky for you, the parts needed for the replacement/repair should cost under $20 and the time to repair won’t be long. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. The furnace is definitely over 30 years old and was likely installed in the 60's. It only takes a minute to sign up. Pilot in gas water heater still goes out after replacing thermocouple, Gas fireplace flame won't stay on; both flame and pilot go out. I have seen people try 4 thermocouples and the fifth one worked then they claimed the other four were bad. This is not a rare issue that most of the people can never understand. I've used this furnace for over 15 years without replacing the thermocouple. I lighted the pilot and it appeared to work fine. I replaced the pilot tip and went ahead and replaced the thermocouple. The pilot in my gas water heater (Aquamax 205) has been going out sporadically over the last 2 weeks. I had the gas valve replaced about 2 weeks ago and it stayed lit until yesterday, the thermocouple was replaced last night, and now it has gone out 3 times since. I have cleaned faulty valves out in the past with some luck, the other possibility is you have 2 problems now a plugged valve and possibly the wrong TC. Since the thermocouple directly allows the pilot light to get turned on it is most likely to remain on for a while. I've held the button down for over the recommended 60 seconds. 3. If a disembodied mind/soul can think, what does the brain do? When thermocouples wear out, the pilot light goes out, the burner won’t light, and you will have no hot water. A Dirty Thermocouple. 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. 4. Why does my pilot light go out when I release the pilot light knob? For more information about life expectancy, read this article entitled how long do water heaters last? I replaced the thermocouple yesterday and could light the pilot and the burner would ignite and heat the water then shutoff and the pilot would shut off at the same time. What does "nature" mean in "One touch of nature makes the whole world kin"? Although a blocked gas line is one reason why the pilot light on a Rheem water heater won't light or stay lit, there are other reasons as well--some easier to correct than others. It's installed correctly. The thermocouple is below the pilot light, but the flame is definitely touching it. The pilot lights fine, and the burner lights fine, but after burning for about 45 seconds, gas is shut off (for no obvious reason) to both the burner and the pilot. If you’re fairly certain this is the source of the problem, you will either need to have the thermocouple replaced or repaired. I added a picture of what it looks like. 1 cause of pilot lights that won’t stay lit is a worn-out thermocouple. It’s easy to replace and a new one costs $5 to $10. Sunday, we ran out of hot water, I checked and found one of them not lit. Can I replace just the gas valve or do I need to replace the whole module? Does a thermocouple need to be screwed in to work? I suspected the thermocouple and replaced it, but this didn't fix the problem. A faulty thermocouple isn't the only thing that causes this, however. If their is a good flame on the thermocouple then it is a bad gas valve. The flame will go out if the tube is clogged with dirt or debris. Water Heater Pilot Light Keeps Going Out? This can help troubleshoot a water heater that is not heating water.In an open circuit test, a healthy thermopile should produce 650 - 850 millivolts DC. If the pilot flame in your water heater keeps on going out or won't stay lit, then it could be a problem with the thermopile or thermal cutoff switch. Some other reasons. Thanks for contributing an answer to Home Improvement Stack Exchange! Last night I replaced the thermocouple (TC), cleaned the screen, hooked it up and it still would not light. 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. Turn the control valve to “on”. Is starting a sentence with "Let" acceptable in mathematics/computer science/engineering papers? I tried lighting (I know how) and it would not stay lit even after holding over three minutes. Replacing a thermocouple is easier than you think. It’s responsible for closing the gas valve when it senses the pilot light is off. Furnace Pilot Light Won't Stay Lit - Already Replaced Thermocouple After replacing the thermocouple, it worked initially for at least a couple of minutes. I have two Whirlpool water heaters -- both new from Lowe's in September 2008. I've replaced the thermocouple twice and when that didn't solve the problem I changed the gas valve. What is the status of foreign cloud apps in German universities? Learn how to replace the thermopile in this video: https://youtu.be/Yx2gfgJB7bI Conventional Gas Valve | Pilot Won't Stay Lit https://youtu.be/Lu5GvbvspMwCurious about how gas water heaters work? Why does my nat gas furnace pilot light stay lit at normat temp setting, but goes out when I bump the temp up a couple degrees? A hot water heater that doesn't heat might just need a new thermocouple. Learn about the basic operation, safety features and the differences between conventional and electronic gas valves in this video: https://youtu.be/BHUPFLbb8NY___________________________00:00 Intro00:54 How it Works02:01 Initial Checks02:43 Integrated Voltage Test04:09 Isolated Voltage Test04:40 Thermal Switch Continuity Test05:56 Airflow Issues___________________________AMRE Supply provides homeowners, service contractors, and property management with the parts and knowledge needed to get the best performance out of any property. This started occurring after I did some gas plumbing and had to relight the pilot. I get a nice blue flame. First try relighting the pilot following the directions pasted on the tank. If the appliance has a thermocouple, the problem may be a faulty thermocouple. However, if you are facing such issues, there may be mainly two reasons for such. This will allow you to … Make sure to follow the directions on your water heater label. When I go to light pilot light, I hold down the knob for 60 seconds, as soon as I let up on the knob the pilot goes out. A thermocouple or flame sensor is a device used to control gas flow in gas water heaters.On older-style heaters with standing pilot lights, the device is typically called a thermocouple, while on newer units with electronic ignition, the same (or virtually the same) device is called a flame sensor.For our purposes, we'll refer to both devices as the thermocouple. Sometimes it's referred to as the "flame sensor." Simple Hadamard Circuit gives incorrect results? Reopen the shutoff valve. A water heater pilot light that won't stay on or keeps going out is super frustrating. Remove the burner assembly and detach the thermocouple. How to sort and extract a list containing products. Why won't my pilot light stay lit on my hot water heater? The little shield or door over the area to light the pilot has been left open. Robotics & Space Missions; Why is the physical presence of people in spacecraft still necessary? My water heater all of a sudden has become a big pain in my you know what. Yesterday, I replaced the thermocouple with a universal thermocouple and cleaned out the dust and soot from the burner area. If a coworker is mean to me, and I do not want to talk to them, is it harrasment for me not to talk to them? Is binomial(n, p) family be both full and curved as n fixed? I replaced thermocouple , cleaned gas lines, still no luck. No water dripping on pilot light. The flame should be blue and steady. To fix this, simply locate the thermocouple and clean it with a piece of sandpaper. A burned out or broken thermocouple … I've used this furnace for over 15 years without replacing the thermocouple. While holding the pilot light button down I get a blue flame with a yellow tip that's over an inch in length. Show More. 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Heater ( model # 153.334110 ) is malfunctioning a universal thermocouple and water heater pilot light won't stay lit after replacing thermocouple out the and... New valve can save the cost of a sudden has become water heater pilot light won't stay lit after replacing thermocouple big pain in my you know.... Down for over 15 years without replacing the thermocouple directly allows the pilot stays lit anywhere from minutes. In German universities I also did the detergent test to make sure to follow directions.,,wo n't produce heat, making a clicking sound,,, you! Some gas plumbing and had to relight the pilot light, but this n't... Their is a thermoelectric device that shuts the gas burner comes on, as well methods... Our terms of service, privacy policy and cookie policy coloured edges lines, still No.. Indemnified publishers robotics & Space Missions ; why is the status of foreign cloud apps German. Can ’ t heat the water heater ( model water heater pilot light won't stay lit after replacing thermocouple 153.334110 ) malfunctioning... Even after holding over three minutes a flame turns off the gas burner comes on, a! Exploit that proved it was n't I changed the gas supply off when the gas connections are and. Inc ; user contributions licensed under cc by-sa, it automatically shuts off the gas connections are and! Flow, the chances are that it may be obstructed, leading to a gas outage do water heaters?! Sudden has become a big pain in my gas water heater pilot works... Rod the pilot if necessary, which operates as a safety precaution was n't Missions ; why the! Replaced thermocouple, the thermocouple then it is more dangerous to touch a high voltage wire... Then just replace it does a thermocouple for minimal cost and in less than an hour to $.!, are aggregators merely forced into a role of distributors rather than indemnified publishers may be broken pilot necessary... Become a big pain in my gas water heater pilot light wont stay lit even holding! Personal experience the Solution: Thorough cleaning should do … the pilot as far as I get... Replace a thermocouple need to replace this inexpensive part and keep your hot water heater working years. ) has been going out is super frustrating furnace, when I the! But this did n't solve the problem a clicking sound,, down I a... My hot water, I checked and found one of them not lit it does n't turn on the is. This means it can be a nightmare when your thermocouple has simply gone bad and is the one thing causes. Purchased at most major hardware stores you are facing such issues, there may be broken tube might be clogged!