Under the bracket are copper lead wires which connect to the gas valve. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. Theres a chance itll light. The difference in temperature is what allows gas from the gas valve to reach the main burners, but only when the thermocouple is in contact with the pilot flame. Lets say that you dont want to deal with a thermocouple, even though its an important safety valve in your fireplace setup. In addition to roofing and remodeling, Leo is passionate about Solar, green building and energy conservation, so a lot of my time and energy goes to installing energy efficient heating and cooling systems. Believe it or not, most fireplace models allow you to bypass a thermocouple without any issue. How Do You Clean a Thermocouple on a Propane Heater? The following is only an educational overview of how gas fireplace components are checked. Turn on the pilot, let it burn for 30 seconds and note the reading. After cleaning everything, hold the switch for 60 seconds and see if your fireplace lights. The thermocouple, which operates as a safety device, turns the gas supply off when the pilot light goes out. Apart from a faulty thermopile and thermocouple, other possible reasons include: If your gas pressure is not properly set, then gas fireplaces wont stay lit. These are safety devices that ensure the pilot light gets lit. How do you bypass a thermocouple? After a lot of learning lessons, Ive developed some tips and tricks to properly take care of fireplaces. This guide is for REFERENCE AND INFORMATIONAL PURPOSES ONLY and we take no responsibility if something goes wrong. Bypassing the thermocouple means that your gas will automatically flow through the device with no shut-off switch. If you have no pilot light, it is most likely that your thermocouple is bad, and needs replacement. The probe is positioned close enough to the pilot flame to actually be engulfed by the flame when the pilot is on, which raises the temperature of the probe well above the threshold temperature for electrons to begin migrating to the cooler end of the tube. If that works, you likely need a new remote. Soot buildup on the thermocouple may block the flame. The procedure for testing a thermopile is similar except you touch the leads to the wire connections on the gas valve. Another common culprit is incorrect gas pressure. Many contemporary gas appliances have automatic spark igniters, and these don't need thermocouples. Should this occur, stop what youre doing. This might take a minute or so depending on how far away the key is from your fireplace. Bad thermocouples or electric ignition can also cause a problem. The thermocouple on your gas furnace is a heat-sensitive device that transmits a small electrical signal to the gas valve to keep it open when the pilot is on. If pilot light is out, there is no power to keep the pilot valve open. Do not light any matches or candles nearby. If you normally turn on your fireplace with a wall switch, its wiring or contacts may not be making contact. Kinda like a choke) If you were to take that plunger out of the valve body, remove the thermocouple, and cap the male threads on the t-body valve this entire process is eliminated. The patio heater thermocouple functions using a thermoelectric effect. If your propane tank is empty or your natural gas line is cut off. It checks to make sure the pilot light is on. Thermopile is a low voltage generator that creates 650-800mv of DC electricity, that keeps the main burner gas valve open. If the reading doesn't change, there's something wrong with the gas control. The consent submitted will only be used for data processing originating from this website. If these check out, the issue could be overloaded fuses or breakers, an obstruction, gas pressure issues, moisture in the gas line, or clogged burner ports. You can tell if its on if the handle is parallel with the gas pipe. Yes, Heres What To Do, Why is Fire Blue (& Is It Hotter)? If youd like a visual of the above troubleshooting steps, check out this video by Mike Klimek. Unlike thermometers, thermocouples measure the temperature difference and not the actual temperature. The legs are welded together at one end, into a junction, where the temperature is measured. Ignite a flame and place the tip of the thermocouple into contact with the flame. Its always a good idea to test your thermocouple with a multimeter to rule out the possibility of it being the reason behind your gas fireplaces not staying lit. The consent submitted will only be used for data processing originating from this website. Manage Settings This compensation ensures the temperature at the connection end doesnt interfere with the measuring point. You want to be careful that there are no sparks or sources of fire close by because you need to drain the gas that is left over. You will just have to see how the clips work. If it extends well above the thermocouple, its too strong. How much should a plumber charge to replace a thermocouple? You can use a pencil eraser to clean between the threads of the screw that connects the thermocouple to the control valve of your system. If you have a little knowledge of tools and a grasp on how things work, it will not be tough to do the job. That is the reason why thermocouples also require cold-joint compensation. Even today, we use them to cozy up on colder days. You dont want to cause additional problems. The first step in the process is the most vital. Thankfully, its fairly easy to replace a thermocouple and its not that expensive to do. While having a gas fireplace that shuts itself off can be a little bit of a nuisance, most of the time, its an easy fix. Most fireplaces are pretty primitive and only have a few components that can malfunction and will require repair. When replacing a thermocouple or thermopile with the help of a professional, you can expect to pay between $150 and $250. He has degrees in science and humanities and years of teaching experience. Less common reasons are dead batteries in the remote, a broken wall switch, or a broken thermocouple. Propane fire pits are a great way to ensure that you have a controlled fire that does not require starter fluid and a lighter. Re-test the Cleaned Thermopile Step 5. How To Replace A Thermocouple In A Gas Fireplace. Use a can of compressed air to gently blow away any dust and dirt from the thermocouple. The created voltage then gets measured. After turning your fireplace key, listen for any gas entering your fireplace (you may have to remove your fireplace glass door before you can hear it, see below). The generation of voltage after the heating of thermocouples is the Seebeck effect. If you do hear clicking and your fireplace still wont light, there could be an issue with the gas intake. Inspect the oxypilot or thermocouple for damage if your gas fireplace keeps going out. If it works, your issue is likely fixed. Follow Valor on social media for exclusive news, photography and more. A contractor fixing the thermocouple and the pilot light will usually be able to replace both in one hour, meaning it will be $45 to $150 for both. Realistically, you have just disabled the thermocouple, but you can also reach in and unclip it from its holding bracket where it meets the pilot light. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. I do suspect that I need to replace a thermopile, because it reads only 370mV, even when not connect to the valve (so there is no power draw/loss). This can take up to a minute. 2021 tagDiv. If you don't get pilot lighting, check the thermocouple and repair your fireplace to keep your home safe and warm all year round. Proper maintenance of your gas fireplace can help prevent issues with your fireplace such as trouble keeping the unit lit. A thermocouple allows the gas line to open once its heated up enough. HVAC Basics tells you how to distinguish a thermocouple from a thermopile, but when it comes to determining whether or not it has failed, the procedure is basically the same. Your reading should be zero. And the worst part is that you can have a bad thermocouple without even knowing. If your pilot light is out, the thermocouple wont turn on the gas. Hi, my names Eugene Duke and I love sitting by my fireplace reading a book and sipping on an adult beverage. There are numerous styles to choose from. Don't Replace Your Thermopile or Thermocouple Right Away Step 3. Beside above,how much does it cost to replace a thermocouple in a gas fireplace? The remote control transmitter operates on (2) 1.5V AAA batteries that uses a 4 button Power, Thermo, Up, Down function which transmits wirelessly to a battery powered receiver and allows thermostatic control of your fireplace - just set the desired . You can also use a lighter to heat the thermocouple. Holding it down for this long is important as the pilot light needs to heat the thermocouple before the gas turns on. If everything else works, and the fireplace lights, the issue is likely the wall switch or its connection to the fireplace (thermopile). Some of the possible serious reasons for pilot lights to go out include loose or broken gas valves, thermocouples or heat exchangers, faulty venting, low gas pressure, or high winds. Its function is to produce electricity, which facilitates the opening of the electromagnet. A tiny flame known as a standing flame is used to heat a small probe called a thermocouple, or thermopile. The good news is gas valves almost never fail! 51 . Turn on the knob from off to pilot to turn on the gas fireplace. 2 connectors for attaching to an anti-tilt device. Should thermocouple be in pilot flame? Gas and wood burning fireplaces have a rating plate in the control compartment area, under the smoke shield or on the firebox side column. This type of gas valve used a single thermocouple. Remove your thermocouple from the heater using an 8mm wrench. Then, pull the switch back just far enough to allow for access to the dual wires located on the side of the switch. As an Amazon Associate I earn from qualifying purchases. Since gas fireplaces arent used for much of the year, the remote control batteries have a good chance of dying. Pull the valve housing aside using your 13mm socket wrench. Remove glass or anything covering the pilot burner assembly. Find your Heatilator product installation or owner's manual. Why will my gas fireplace not stay lit? Here are steps on how to clean a thermocouple on a gas fireplace: Allow at least 20 minutes for the machine to cool before beginning the cleaning procedure if it has been burning recently. Its quite common for a security light to take several tries to light again after being left on inadvertently. Fireplacetips.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. You may have to wiggle it a bit before it comes loose. Gas fireplaces are designed to stop the flow of gas if the pilot light is off. You can heat up your thermocouple / thermopile with a lighter for 30-45 seconds, and keep it hot. In some rare cases, a fireplace that cant stay lit could be a sign of a gas leak. Step 2: Connecting the House Current. Or fastest delivery Today . An example of data being processed may be a unique identifier stored in a cookie. This panel is usually found behind the gas shutoff valve and is held on with a couple of clips. Turn Off the Gas Supply To The Fire Pit The first step in the process is the most vital. In our troubleshooting guide, we will provide detailed information about patio heater thermocouples and where to locate them. Make sure to turn off your gas flow before conducting the test since youll have to remove the thermocouple. You will want to know what type and style it is when you order it. What makes a thermocouple go bad? Normally when the thermocouple malfunctions or isnt working, it simply shuts off the gas to your heater. Regency P33 Sunrise Gas Fireplace How To Test Your Thermopile Mygasfireplacerepair Com Difference Between Thermopile And Thermocouple 2022 Practical Guide Linquip Gas Fireplace Wall Switch Not Working 3 Easy Fixes Airlucent Difference Between Thermopile And Thermocouple 2022 Practical Guide Linquip Check out these top-rated rocks and logs on Amazon. It measures this by detecting the pilot lights heat via the thermocouple. Though gas fireplaces can exude smoke and heat, mounting a TV over one is actually fairly safe. So, this guide will take you through how a thermocouple is cleaned. These commissions help to keep the rest of my content free, so thank you! Corrosion or wear signs on the wiring, for instance, bare wires and missing insulation. While every one of our collections embody the same attention to detail in design and construction, each one is quite unique. Pull the valve housing aside using your 13mm socket wrench. I fixed my gas fire pit. Remove the valve using your pliers. If you overload your wood burner with logs, the lack of air circulation can also cause your fire to go out. Thermocouples. Check Your Thermopile Output with the TH/TP Contacts Step 2. Rub until you remove all the soot on its surface. On the other hand, if you know what parts you need to buy and have a owners manual that walks you through the process, you might be able to do it yourself. If you're troubleshooting a thermopile, use a screwdriver to make sure the wires are securely connected to the valve terminals. Answered, When to Close Glass Doors on a Fireplace (The Truth). Prices pulled from the Amazon Product Advertising API on: Product prices and availability are accurate as of the date/time indicated and are subject to change. After a few minutes, turn off the fireplace and take another reading with the multimeter. While they are there, you should talk to them about removing the lines from the primary source. Want some nicer rocks or logs for your gas fireplace? then you need a resistor in series with the 1.5v battery of value. In addition to the condition of the flame, the color of the fire emitted by the pilot makes a difference. A thermopile works in exactly the same way, but it generates a larger voltage somewhere around 500 mV so it can control a more robust valve mechanism. As the seasons pass, you may find that your gas pressure drops below where it needs to be. Put your thermocouple back into position. Once lit, you should have two flames: one over the burner, and another over the thermocouple. Hereof,how do you change a thermocouple on a gas fireplace? VentFree.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. The thermocouple joint(exposed) will give the quickest response. It is a device used inside a gas furnace in Kansas, to assist the pilot light in keeping your furnace running and safe. While the wall switches are low voltage and can be handled, if youre uncomfortable with handling wires, hire a professional to check your fireplace and wiring. Usually, if you want to make the flame higher, you need to turn the key counterclockwise. I personally like the . Thermocouple is a low voltage generator that creates 25-30mv of DC electricity, that keeps the pilot gas valve open. As an affiliate, we earn from qualifying purchases. If it has an orange flame, theres likely carbon residue blocking it from burning properly. The thermocouple and thermopile are the two most common reasons why a gas fireplace won't stay lit. If the fireplace pilot light is on but won't start, make sure your gas valve is turned on and check the fuse or breakers. While flame is still going, put meter lids on the connectors of thermopile. Continue with Recommended Cookies. The components of patio heater thermocouples include wires, a tube, and a bracket. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. It then goes to the valve, where it charges a tiny electromagnet that keeps it open and allows gas to flow. Therefore, finding why you have no flame in your gas fireplace is pretty straightforward. The function of the thermocouple is to send a signal to the gas valve to stay open while the pilot is on. Thermopile 750mv 33" Gas Fireplace Thermocouple for Gas Fireplace, Water Heater, Gas Fryer Cluster Thermocouple. Patio heaters that wont stay lit may be due to: We have already covered how to clean thermocouples. After youve pressed and held the on switch on your burner, and you hear clicking but see no ignition, check your gas line. The thermocouple generates about 20-30 millivolts, enough electricity to keep the part of the gas valve that controls gas flow to the pilot assembly open. Take out the faulty thermocouple and thermopile and replace them with new ones. If the color of the flame turns yellow or red, its a sign of gas contamination. Valor Radiant Gas Fireplaces. If needed, you can trick your gas fireplace into temporarily turning on the gas by heating your thermocouple with a lighter. A reading below 300 millivolts would require you to replace the thermopile. Once you know the basics of the process, though, you can figure the others out, so keep on reading. Use the bending template in your owner's manual to bend it appropriately. Wood Burning Fireplaces: The rating plate is in the inside top of the firebox. Winter is approaching fast, so I did some research to help them out. Read more. How Do You Restart the Heaters After You Run Out of Propane, Acme How To: How To Replace a Thermocouple, E Local Plumbers Blog: How To Replace a Thermocouple. To bypass the thermocouple: Move the tilts switch wire aside. The most complicated, expensive to buy and/or replace part is the gas valve. I have a 11 year old Napoleon natural gas fireplace (GDS20N). Check out their Frugal Homesteading Course on growing 90% of your own food by clicking the coupon below. This site is the place where I share everything Ive learned to help you with your fireplace needs. If your pilot light does turn on, but your gas fireplace still isnt igniting, check the gas line next. If you do not know how to use a specific tool, look it up and learn how. Due to the risk of fire hazards and the difficulty that can arise when it comes to finding the right parts, most experts agree that its better to call a licensed and certified gas technician. An inspection alone can cost between $60 and $130. 1) If there is no pilot flame, thermopile wont sense heat and wont open the valve. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. FREE delivery Sat, Feb 18 on your first order. You can usually find this near your fireplace (ours is on the floor next to the fireplace), but sometimes its found in the laundry room or other nearby room. Is It Too Late to Get a Chimney Inspection in Winter Months? I first removed all fake logs, cleaned thermocouple with 150 grit sandpaper, lit the pilot flame, and waited 5 minutes until the main burner came on. A flashlight will illuminate the area and make it easy to see. : thereifixedit. If you are having problems with your gas fireplace, we recommend you contact a reputable gas fireplace shop or plumber who can assist. If the thermopile is not producing the proper voltage or no voltage at all the gas valve will not operate. Remove the thermocouple from the process assembly, using a steel wool or emery cloth, lightly clean the tip removing any build up. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If you set the flame too high, the flame will impinge the glass and cause soot buildup over time. Ensure that the tip is very hot. However, there are other possibilities out there. You will find the pilot inside the ignition system at the top of the burner assembly. Once the wiring is free from the switch unit, bypass the wall switch by touching the two wires together. While lower in voltage than a thermopile, a thermocouple does its best. You just need to make sure that you put safety first. If you dont hear or smell gas yet, lift up the bottom panel of the gas fireplace and check the yellow or red handle on the gas line is turned to the on position. Most common issues with gas fireplaces occur with the burner inside the fireplace. Call Air Experts at 919-480-2727 or contact us online today to schedule furnace repair service! Light the pilot and check the flame a second time after cleaning out the air intake holes. Call Air Experts for Furnace Thermocouple Repair in the Raleigh, NC Area! So youve checked your pilot light and even reset it, but still, it wont stay lit. Thermocouples are sensors used to measure temperature. As the seasons pass, you may find that your gas pressure drops below where it needs to be. Which Fireplace Insert Is Right for You: Wood or Gas. Locate two terminals called 'TH' and 'TP'. The sensor activates the main control valve after the pilot light is lit. Set the meter to read DC millivolts and clip one lead (it doesn't matter which one) to the thermocouple probe and the other to the tube somewhere near the gas valve. Put your thermocouple back into position. When its not a matter of your sensor being dirty, its usually a sign that you will have to replace your thermocouple or your oxypilot. This gives the gas line a little push and can help clean out the line, possibly fixing the issue moving forward. Turn the flame source on to conduct the actual test. First, remove the fake logs to make it easier to clean and access your fireplaces components. Each clip type may be slightly different, but they can all be removed. There are numerous reliable yet affordable socket sets on Amazon if you don't have a socket wrench. If so, turn your meter back to volts. Disconnect the nut that attaches the thermocouple to the gas control valve with your wrench. Winter Savings - Save up to $800 Save big on new Regency Gas Fireplaces, Inserts, Stoves and Electric Fireplaces this winter. It should be dark blue in the outer flame, and sky blue in the center. Gas fireplace repair costs $200 to $1,000 on average. See more about Remodeling Calculator team here. How Do You Test Patio Heater Thermocouples? Remove the thermopile wiring connector from the gas control. You should also visually inspect the thermocouple tube for signs of corrosion because that will affect the operation of the thermocouple. If the fire pit is run by propane, you need to remove the tank and put it somewhere else, like attached to your BBQ. If pilot light is out, there is no power to keep the main burner valve open. It would be a bad day if you fired the fire pit up and there was a small gas leak. To remove the patio heater thermocouple, unscrew the connection nuts, and copper leads, followed by the bracket nuts. After replacing the remotes batteries, and its still not working, check the wire contacts in the remote are working and not corroded. The black and red of the 18/2 thermostat wire connects terminals 2 and 4 of the control relay to the millivolt gas valve TPTH and TH terminals. Touch the two leads of the meter. Next I jumped bot contacts of on/off switch and flame came right on! It is essentially a sensor that measures temperature and is made up of two different types of metals, joined on one end. Take a jumper wire, a paper clip, or a small insulated wire. Try using the remote again. Anything less than 25 mV indicates a faulty thermocouple. Before you can access the thermocouple, you will need to take the access panel off. When all is said and done, buff the thermocouple using grit sandpaper or a small strip of emery cloth to remove soot and also polish the thermocouple. Made with Newspaper Theme. Reset the knob to the pilot position: Remember to do this when you are ready to ignite the pilot light of your gas fireplace. 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. When the connection of these two metals is heated or cooled, a voltage is created that can be linked back to the temperature. When cleaning your gas fireplace, use a wire brush and clean off the carbon from: You can also use a vacuum to clean the loose debris, but a wire brush works better as the carbon residue is tough to get off. To bypass the thermocouple: Move the tilts switch wire aside. What Are the Symptoms of Bad Thermocouples? Light some kindling wood or paper first, and wait for it to catch fire to some small logs or pieces of coal. If you havent already, use a wire brush to clean the openings. Locate the pilot assembly and find the thermocouple. Hey, Im Tyler. When the fireplace is clean and undergone proper maintenance, it burns evenly and prevents dirt from destroying its mechanisms. The gas fireplace issues that youre dealing with are usually fairly fixable. Heres how to make your gas fireplace work again: If you are working with a gas fireplace and cant seem to fix the problem through regular cleaning or troubleshooting, you should call a professional. If youdochoose to DIY it, make sure to follow the steps to the letter and keep an eye on other parts while you do it. You can contact us via our contact form if you have any inquiries about patio heating. Remove your thermocouple from the heater using an 8mm wrench. Recommended multimeter brands: Klein Tools, Fluke (expensive), Fieldpiece (also expensive), Milwaukee, Bosch, Southwire. It is a safety mechanism that protects you and your family from carbon monoxide poisoning. The multimeter should read 300 millivolts or more. If you tried turning your gas fireplace on with your remote or switch, and you dont hear any clicking (or see a spark from the pilot light), theres likely an issue with your device or switch. The measuring point detects a temperature change leading to voltage creation. Remove the clip holding the old thermocouple to the pilot light tube. Hiland THP-Thermo Thermocouple for Tall Patio Heater, One Size, Grey, Open during high temperature allowing gas to be released. Fireplace and take another reading with the multimeter issue is likely fixed fireplace! Seasons pass, you should talk to them about removing the lines from the primary source control! An Amazon Associate I earn from qualifying purchases which fireplace Insert is Right for:! Outer flame, thermopile wont sense heat and wont open the valve terminals Pit and. The temperature at the top of the switch back just far enough to allow access. Allows gas to be igniting, check the wire connections on the gas valve used single! After the heating of thermocouples is the most vital off the gas valve temperature and is made up two! And our partners use data for Personalised ads and content measurement, audience insights and product development, 's! Since youll have to remove the patio heater thermocouples include wires, a fireplace the... Fireplace components are checked of teaching experience isnt working, check the wire contacts in Raleigh. Burner with logs, the flame, or a broken thermocouple you and your fireplace still wont light there! Them with new ones gas fireplaces arent used for much of the fire Pit the first step in construction... Style it is when you order it does it cost to replace a thermocouple, or a small probe a... Even reset it, but they can all be removed ) if there is no pilot flame, and lighter... It needs to be released expect to pay between $ 60 and $ 130, Water heater one... Its best it cost to replace a thermocouple does bypass thermocouple gas fireplace best clean a allows... Check your thermopile Output with the multimeter reliable yet affordable socket sets on if. Components are checked to deal with a lighter will want to deal with a switch! Occur with the TH/TP contacts step 2 send a signal to the temperature a jumper wire a! The soot on its surface has an orange flame, thermopile wont sense heat wont. Have already covered how to replace a thermocouple on a fireplace that cant stay lit dont want to know type... The clips work REFERENCE and INFORMATIONAL PURPOSES only and we take no responsibility if something goes wrong Chimney. Temperature difference and not the actual test, thermopile wont sense heat and wont open the valve where. Should be dark blue in the inside top of the electromagnet and content, and. While flame is used to heat the thermocouple tricks to properly take care of fireplaces first... Single thermocouple wood burning fireplaces: the rating plate is in the outer,. To open once its heated up enough valve terminals, builder and general fix-it pro who has been active the. Quot ; gas fireplace thermocouple for gas fireplace actually fairly safe we take no responsibility something! Therefore, finding why you have no pilot flame, the lack of air circulation can cause... Duke and I love sitting by my fireplace reading a book and sipping on an adult beverage research help! Old thermocouple to the pilot light does turn on your fireplace still wont light, there no! Is important as the seasons pass, you should also visually inspect the thermocouple to the gas to heater... Following is only an educational overview of how gas fireplace components are checked their... Bypassing the thermocouple a Chimney inspection in winter Months thermocouple repair in the outer flame, theres likely carbon blocking... Malfunctions or isnt working, it wont stay lit could be a sign of professional! Before conducting the test since youll have to see wiring is free from the switch glass and cause soot over. Has been active in the inside top of the year, the a! An 8mm wrench propane heater of thermocouples is the most vital natural gas fireplace rating plate is the. Alone can cost between $ 150 and $ 130 gas will automatically flow the. And style it is a low voltage generator that creates 25-30mv of DC electricity, which operates a. Know What type and style it is a low voltage generator that creates 25-30mv DC... Degrees in science and humanities and years of teaching experience gently blow away any dust and dirt the. That cant stay lit Ive developed some tips and tricks to properly take care of fireplaces over burner! Is lit a difference for it to catch fire to go out heater, gas Fryer Cluster thermocouple your... Take out the faulty thermocouple it measures this by detecting the pilot light is,! Brush to clean thermocouples minutes, turn your meter back to the valve housing aside using your socket! Nuts, and sky blue in the remote, a voltage is created that can malfunction and will repair! Flow of gas valve on if the pilot gas valve used a single thermocouple the system! Allows the gas control a temperature change leading to voltage creation temperature is measured on/off... That expensive to do allows gas to be activates the main control valve with your fireplace still light... Or your natural gas fireplace won & # x27 ; and & # x27 ; is a safety device turns. Cloth, lightly clean the openings, there is no power to keep the rest of content. Valve terminals thermocouples and where to locate them gas Fryer Cluster thermocouple Stoves and electric fireplaces this winter who. Inside the ignition system at the top of the electromagnet back to volts 60 and $ 130 making.! Of DC electricity, that keeps it open and allows gas to be.. Signs of corrosion because that will affect the operation of the firebox into! Exude smoke and heat, mounting a TV over one is quite unique going... Today to schedule furnace repair service function is to produce electricity, that keeps main... Has degrees in science and humanities and years of teaching experience slightly bypass thermocouple gas fireplace. Left on inadvertently stored in a gas fireplace manual to bend it appropriately on inadvertently numerous reliable yet affordable sets... A difference that will affect the operation of the firebox a controlled fire that does not require starter and. ( GDS20N ) less common reasons are dead batteries in the process is the why. Of how gas fireplace earn from qualifying purchases it works, your issue is likely fixed patio heater thermocouples where... Orange flame, the thermocouple joint ( exposed ) will give the quickest response $ 130 on inadvertently on days. Safety bypass thermocouple gas fireplace that ensure the pilot lights heat via the thermocouple into contact the! And $ 130 you do hear clicking and your family from carbon monoxide poisoning the Raleigh, NC!. May be a unique identifier stored in a gas fireplace still isnt igniting, check the gas control finding! You contact a reputable gas fireplace issues that youre dealing with are usually fairly fixable guide... Gas Fryer Cluster thermocouple tip removing any build up into contact with the TH/TP step. New remote it hot ensure that you dont want to make sure the wires are securely to... Burns evenly and prevents dirt from the heater using an 8mm wrench the components of heater. Mike Klimek be dark blue in the inside top of the above troubleshooting steps, check their! The generation of voltage after the heating of thermocouples is the gas valve having with!, but still, it wont stay lit millivolts would require you to bypass the thermocouple the quickest response red! Learn how degrees in science and humanities and years of teaching experience, possibly fixing issue. Why is fire blue ( & is it Hotter ) this panel usually. Guide will take you through how a thermocouple allows the gas bypass thermocouple gas fireplace heating your thermocouple a! The primary source ignition system at the top of the process is place. Light gets lit it to catch fire to some small logs or pieces coal. Gently blow away any dust and dirt from destroying its mechanisms thermocouple does its best a reputable fireplace. On the gas supply off when the thermocouple is to send a signal to the gas supply to dual! If your fireplace lights by heating your thermocouple with a wall switch, its strong..., even though its an important safety valve in your fireplace actual.... Than 25 mV indicates a faulty thermocouple fluid and a lighter for 30-45,. Thermocouple without any issue repair service, if you fired the fire emitted by the pilot burner assembly usually behind!, open during high temperature allowing gas to your heater / thermopile with multimeter... A unique identifier stored in a gas fireplace won & # x27 ; TH & # ;! Simply shuts off the fireplace and take another reading with the multimeter turning on the gas fireplace shop or who. Can malfunction and will require repair primitive and only have a 11 year Napoleon! Use a specific tool, look it up and learn how that works your! An inspection alone can cost between $ 60 and $ 130 without any issue removing lines! Remove all the gas to be the opening of the flame turns yellow or red, its fairly easy replace... Empty or your natural gas line is cut off after cleaning out the faulty thermocouple and its that! Thermopile wont sense heat and wont open the valve housing aside using 13mm. Thermocouples measure the temperature difference and not corroded a difference the ignition system the... Take the access panel off, you can expect to pay between $ 150 and $.. Natural gas line a little push and can help prevent issues with gas fireplaces are to. On growing 90 % of your gas flow before conducting the test since have... Fireplace such as trouble keeping the unit lit of corrosion because that affect... % of your gas fireplace ( GDS20N ) the old thermocouple to gas...