HEAD OFFICE #190, 2255 Dollarton Hwy, North Vancouver, BC V7H 3B1 {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}. Continue with Recommended Cookies. You just need to make sure that you put safety first. It should also be touching the surrounding sensors such as the thermocouple and thermopile. Take the multimeter leads, placing one on the TH/TP terminal and the other on the TP terminal. If your unit is receiving no heat, this wont be so. Remove glass or anything covering the pilot burner assembly. The electric potential, or voltage, generated when the pilot is on is small only about 30 millivolts but it's enough to operate the ultra-sensitive gas valve and keep it open. Disconnect the nut that attaches the thermocouple to the gas control valve with your wrench. If you got flame, it is bad switch. Make sure that there is a flame above the burner and another over the thermocouple so that the fire keeps going. If you overload your wood burner with logs, the lack of air circulation can also cause your fire to go out. If flames are weak and blue they hardly reach thermocouples, therefore, they should be strengthened. Remove your thermocouple from the heater using an 8mm wrench. What do thermocouples do? This compensation ensures the temperature at the connection end doesnt interfere with the measuring point. When cleaning, be careful not to get liquid inside the rest of the remote as it can damage its internal components. Once you have that figured out, use the correct size wrench to remove them from the housing. Regency Fireplace Products | Gas Inserts, Wood Stoves, & More! Before running the test, ensure that your pilot light has been on for two minutes or more, then switch off your fireplace. Reposition the thermocouple so that both metals in it are in contact to keep a consistent fire. It measures this by detecting the pilot light's heat via the thermocouple. Thermocouples are sensors used to measure temperature. A blue jumper wire connects terminal 1 of the control relay to the 24V AC common terminal C of the wired or plugin transformer. If flames extend past thermocouples, they are stronger. As for an empty tank, get a replacement. Gas and wood burning fireplaces have a rating plate in the control compartment area, under the smoke shield or on the firebox side column. Turn on the pilot, let it burn for 30 seconds and note the reading. It should be mostly blue, burn steadily and be large enough to engulf the thermocouple probe. There will be a small tube that runs off the side of the gas control valve and into the area of the main burner. Just like the thermocouple, the thermopile can be read with a multimeter to check if its the cause of the problem. If your pilot light does turn on, but your gas fireplace still isnt igniting, check the gas line next. If the color of the flame turns yellow or red, its a sign of gas contamination. This voltage is used by the fireplace to open the gas valve, enabling gas to flow out and create a fire. Use your screwdriver to loosen the screws on the thermocouple. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. A common issue with these types of pits, though, is that they will not light, or they will not stay lit. Can Firewood Bring Termites? sitting with your loved one in front of your fireplace. 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. If your fireplace still doesnt light with the burner switch set to on, and your pilot light is on, check the gas line. Yes, Heres What To Do, Why is Fire Blue (& Is It Hotter)? I may get commissions for purchases made through links in this post (at no extra cost to you). The probe of a thermopile is larger than that of a thermocouple, and instead of a threaded fitting on the other end, a thermopile has two wires, usually red and white, that connect to two terminals on the gas valve. Locate the thermocouple proper. How Do You Test Patio Heater Thermocouples? I have two fireplaces (one indoor and one outdoor) and I do what I can to maintain them. 99. However, if your pilot is lit but the gas fireplace isnt, then theres probably a problem with your thermopile. Newer models come with battery-powered igniter. Unscrew the old thermocouple by removing the bolts holding it in place. Now if this is the road anyone wants to go down, one of the safety measures has been removed so you have to be vigilant. Use a flashlight, or a shop light, to see inside the fire pit through the panel you just took off. Dual Fuel Ventless Gas Fireplace - 32,000 BTU, Remote Control, Auburn Cherry Finish The Duluth Forge Ventless Fireplace features The Duluth Forge Ventless Fireplace features our Furniture Quality fireplace mantel and our Dual Fuel, Vent Free Gas fireplace insert that provides you with heat and beauty. For most thermocouple issues, gentle cleaning with a fine-grit sheet of sandpaper or a Magic Eraser will fix your 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. The voltage activates the control valve that supplies the pilot light to: Yes, the pilot flame touches thermocouples at a certain level. Replace if Cleaning Did Not Work Other Reasons for Gas Fireplace that Won't Stay Lit 2021 tagDiv. Cleaning dirty burner ports from time to time could help solve the problem. Get free, zero-commitment quotes from pro contractors near you. Patio heaters that wont stay lit may be due to: We have already covered how to clean thermocouples. Bad thermocouples or electric ignition can also cause a problem. Winter Savings - Save up to $800 Save big on new Regency Gas Fireplaces, Inserts, Stoves and Electric Fireplaces this winter. Gas fireplaces are designed to stop the flow of gas if the pilot light is off. The time constant is the time required for the temperature sensor to attain a particular temperature change(63.2% of the step change). 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. Most cheap thermopiles will have weak power output (below 400mv) and will cause intermittent flame problems that will be hard to diagnose, because you will assume that your thermopile is GOOD, and problem is elsewhere. These are considered to be vent-free fireplaces and work by relying on interior air for combustion. Apart from your pilot being lit, the flame must stay a steady blue. We get commissions for purchases made through links in this post. 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. After a lot of learning lessons, Ive developed some tips and tricks to properly take care of fireplaces. Try the following DIY fix at home for a fireplace that wont stay lit. A thermocouple is a heat-activated switch that tells your gas-fired appliance when heat is needed. If not, call a professional to come in and do some tests. After youve polished the thermocouple, use compressed air to clean any remaining dust and debris. 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. Motivational and inspirational sources to all those parents to enjoy life with their babies, Home FAQ How To Replace A Thermocouple In A Gas Fireplace. More From Doityourself If pilot light is out, there is no power to keep the main burner valve open. After youve pressed and held the on switch on your burner, and you hear clicking but see no ignition, check your gas line. However, there are other possibilities out there. You can use your manufacturers guide to locate these. The pilot flame should touch the thermocouple at a specific level. How much is a new thermocouple? 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. In some rare cases, a fireplace that cant stay lit could be a sign of a gas leak. Usually, if you want to make the flame higher, you need to turn the key counterclockwise. Call Air Experts at 919-480-2727 or contact us online today to schedule furnace repair service! Since gas fireplaces arent used for much of the year, the remote control batteries have a good chance of dying. Thankfully, its fairly easy to replace a thermocouple and its not that expensive to do. It should be blue, encompass the top third of the thermocouple, and extend down to surround it completely. When troubleshooting, start with the switch and follow your way up the fireplace. Gas fireplaces commonly dont light because the components are dirty, the pilot light is out, or the line isnt getting gas. But, the good news is that even if something goes horribly wrong, it may still work in the long run. The created voltage then gets measured. Priddy Chimney Sweeps is licensed, bonded, and insured in Maryland, Virginia and Washington DC. Install & Owners Manuals. Regardless of whether the fix worked or not proper gas fireplace maintenance will save you a lot of stress in the future and make sure your fireplace stays functioning. Inspect the oxypilot or thermocouple for damage if your gas fireplace keeps going out. Can You Bypass Thermocouples on Patio Heaters? The gas fireplace issues that youre dealing with are usually fairly fixable. There are numerous styles to choose from. Normally, the pilot light is enough to heat it, but debris can block and affect the pilot lights flame. If the appliance has a thermocouple, the problem may be a faulty thermocouple. If youre getting gas, but no light yet, try using a lighter to ignite the gas opening. Since they dont produce as much carbon monoxide, ventilation isnt as necessary. That should be about it for the tools that you will need. If you plan to replace it, there is no point in removing the lines. Follow Valor on social media for exclusive news, photography and more. It does its best, but dont give it too much challenge. It should not give you too much grief if you have followed all the steps above. Before re-installing the gas logs, switch on your gas as you relight pilot assembly. Therefore, finding why you have no flame in your gas fireplace is pretty straightforward. 51 . Light the pilot and check the flame a second time after cleaning out the air intake holes. If your propane tank is empty or your natural gas line is cut off. Besides the praise-filled customer reviews, the features that make us love this item include: Taking care of thermocouples to get maximum warmth from patio heaters is quite simple. 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. Soot builds upon the surface of a thermocouple over time due to its rapid cooling, even while the flame is touching its surface. The junction between these two wires is the measuring point. Its also a good idea to snap several images as you go so that youll know how everything goes back together when youre done. I think this is just a joke meme, but For anyone here who doesn't know any better, Never bypass a thermocouple, it is a very important and critical safety device! Take care not to crimp or squash the tubing. The terminals are labeled TP and TP/TH, as illustrated at My Gas Fireplace Repair. If the handle is perpendicular or at a 90 angle, its currently off and needs to be turned on. The thermocouple on gas fired heating appliances is mounted to sense the presence of a gas flame or gas pilot flame. You can also use a lighter to heat the thermocouple. Should this occur, stop what youre doing. Hi, my names Eugene Duke and I love sitting by my fireplace reading a book and sipping on an adult beverage. To test this, start by unscrewing and removing the outlet cover to expose the wires. The first thing you should do when faced with fireplaces that wont stay lit is to make sure your pilot light is lit. Thats 1 valve every 2 years! Remove the valve using your pliers. Wouldn't it be great to save time, energy, and money every time you use your kitchen? Turn off the gas valve, or crank the knob on the propane tank to the off position. He's constantly trying his hand with fire pits, smokers, and of coursefireplaces. 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. Else, its a bad high limit switch. Try listening or smelling for the gas again, and use your fireplace switch again to ignite the gas. 2. With a thermocouple in place, your device will take about 30 seconds to turn on. Check out their Frugal Homesteading Course on growing 90% of your own food by clicking the coupon below. The voltage produced by the thermopile is in the 325 millivolts range after the pilot has been lit for at least 3 minutes. The thermocouple must stay in constant contact with the flame of the pilot. Its function is to produce electricity, which facilitates the opening of the electromagnet. The measuring point detects a temperature change leading to voltage creation. Clean the threads of its attachment screw using your pencil eraser. Electronic flame sensors are much less universal, and you must find the exact part specified for your furnace model. Ensure that the tip is very hot. 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. [Explained], Can You Move a Gas or Wood Fireplace? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Thermopiles more expensive than thermocouple, but are still affordable and universal. The thermocouple is located next to the electrode and when it is heated by the flame, it generates a small electric current that will hold the valve open. Though they may be tiny electrical devices, thermocouples are one of the most crucial patio heater parts. https://www.hunker.com/12604220/how-to-clean-the-thermocouple-in-a-gas-fireplace. The thermopile, on the other hand, opens up the gas valve when the fireplaces are turned on. Ensure the gas is turned completely off before attempting this project, and avoid sparks or flame while dealing with gas. Turn on the knob from off to pilot to turn on the gas fireplace. Adjust the shutoff valve of your fireplace to the right position: Ensure that the valve is properly aligned with the gas line of your fireplace for ultimate control of the flow of the fuel. Thermocouples are sensors used to measure temperature. If you are going to move the fire pit or you do not intend to use the gas lines again, disconnect them from the pit and consider having them completed removed by a professional. Her interests include art and real estate investments. You can replace the thermocouple yourself for around $20. if you have gas logs it should be located in the same area as the logs. While they are there, you should talk to them about removing the lines from the primary source. For a thermocouple, which does not have connectors, place one meter lid on the copper "tube", and the other lid on the metal end of the copper tube, while the flame is heating the thermocouple. If your fireplace doesnt light from connecting the wall switchs cables, follow the cables to the fireplace and test the connections along the way (starting with the thermopile leads and working your way up the chain). Answered. A pilot light that is yellow could indicate excess air, oil, dust, grime, dirt, or rust in the system. There are numerous reliable yet affordable. Constant heat supply ensures that your patio heater pilot light is lit at all times. Save time and get it done right the first time. While flame is still going, put meter lids on the connectors of thermopile. Normally when the thermocouple malfunctions or isnt working, it simply shuts off the gas to your heater. Step 1 Turn off the gas on the main line that supplies your gas fired appliance. For thermocouples working correctly, your reading should range between 25-30 millimeters. Make sure your fireplace key and gas valve on the pipe are turned all the way on (see the gas section for how to turn them both on). You can heat up your thermocouple / thermopile with a lighter for 30-45 seconds, and keep it hot. If your pilot light is out, the thermocouple wont turn on the gas. When youre mounting the TV, make sure to use sturdy equipment. Any gas appliance with a standing pilot needs a thermocouple to keep the pilot lit, whether it cycles on and off automatically, like a water heater, or you operate it manually, like a gas. After youve completed each of the aforementioned procedures, light the pilot and allow it to burn for around a minute before attempting to turn on the main burner. Bottom line spend extra $30-50 on quality parts its much cheaper than getting a service tech to fix your unit at $125/hr! The pilot or millivolt valve in a gas fireplace serves as part of the ignition process for the main burner. Its easy to replace and a new one costs $5 to $10. Pull the valve housing aside using your 13mm socket wrench. You might be amazed to find out that the most straightforward fix for this is to light your pilot. You can use it to manually ignite the gas fireplace when there is no electricity. Thermocouples. It happens. Can thermocouples go bad? 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. Believe it or not, most fireplace models allow you to bypass a thermocouple without any issue. Plus, we will tell you how to clean them and how to bypass patio heater thermocouples. As the seasons pass, you may find that your gas pressure drops below where it needs to be. Ignite a flame and place the tip of the thermocouple into contact with the flame. Leo has been a contractor since 2003, specializing in: roofing, siding, general contracting (GC) and residential remodeling. You will want to know what type and style it is when you order it. This site is the place where I share everything Ive learned to help you with your fireplace needs. The perfect position is when flames cover the tops of thermocouples and burn with yellow tips. When cleaning the gas openings with a brush or other tool, make sure not to enlarge the openings as it can affect the flow of gas. If you have a little knowledge of tools and a grasp on how things work, it will not be tough to do the job. If it extends well above the thermocouple, its too strong. However, this may lower the maximum temperature you can attain. If so, turn your meter back to volts. Step 2 - Address the Pilot Light Your gas fireplace will contain a pilot light. Set your meter to ohms. If yours does, check the circuit breaker to ensure it didn't get flipped off. Thermocouple is a device keeps your pilot light lit. How much should a plumber charge to replace a thermocouple? This is capable of diluting the natural gas, making the light go off. When two distinct metals are heated within the same thermocouple, a tiny voltage is generated. Stupid thing wouldn't stay on! To quickly clean your thermopile, turn off the gas supply. Wood Burning Fireplaces: The rating plate is in the inside top of the firebox. It is a safety mechanism that protects you and your family from carbon monoxide poisoning. If your gas fireplace ignites, release the switch and turn it to the on position once it stays lit. Give the thermocouple about 15 minutes to heat up and then turn on the flame to make sure it all stays functioning. After cleaning everything, hold the switch for 60 seconds and see if your fireplace lights. Cut out the fuel supply of your propane heater. Larger fireplaces have larger gas valves, and instead of a thermocouple or along with it they have a thermopile, which is basically a number of thermocouples wired in series to produce a stronger electrical signal. 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. Should thermocouple be in pilot flame? An example of data being processed may be a unique identifier stored in a cookie. Due to the function of your thermocouple and thermopile, its only logical that they will build up carbon deposits from burning all the time. If the main burner flame of the fireplace turns on at this . What makes a thermocouple go bad? On the contrary, if you want to decrease the flame, you should turn the key clockwise. The thermocouple senses the gas pilot flame and prevents flow to the main burners when there is inadequate heat to ignite the burner. Find the thermocouple, which is located next to the pilot light and looks like a small straight pipe. 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. A voltage is created when the junction senses a change in temperature. You may have to wiggle it a bit before it comes loose. If pilot light is out, there is no power to keep the pilot valve open. How Do You Clean a Thermocouple on a Propane Heater? 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. This is why you needed to remove the gas from the lines after turning the supply off. The thermopile or thermocouple is in front of the pilot assembly and connects to the gas valve. Starting up a gas fireplace begins with shifting the pilot light to the on position. 510 . Once the thermostat is satisfied the gas log will turn itself on and off due to the room temperature you have it set to. Therefore, inspecting and testing your thermocouple should be part of your furnace maintenance. Heres a quick summary of the steps to follow when checking your fireplaces gas intake: Start by turning your fireplace key on (counterclockwise). PRO TIP: Be careful and do not buy CHEAP no name Thermopiles and Thermocouples from Amazon go for a brand-name such as Honeywell, Robertshaw or your fireplace manufacturer. 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. Some gas fired heating equipment relies on an electronic ignition to ignite the flame. A DIYer by nature, Deziel regularly shares tips and tricks for a better home and garden at such sites as Family Handyman, Hunker.com, and SFGate Home Guides. Answered, When to Close Glass Doors on a Fireplace (The Truth). Physical damage to the connectors. If the pilot flame isn't strong enough to generate this much voltage, the valve closes, and the pilot goes out. If you set the flame too high, the flame will impinge the glass and cause soot buildup over time. In most cases, a thermocouple that has gone bad wont be able to be fixed. During operation, if the pilot flame goes out for any reason, the thermocouple or thermopile will cool and shut the gas valve that supplies the supply to the burner, shutting down the heater. Remove the thermocouple from the system (use the manufacture's guide) 3. Now, operate the control to turn on the main burner, and you should see the reading decrease by half. Some people cant pronounce it, much less figure out how to clean it. This will allow you to get to where you need to be. Hey, Im Tyler. Lets start by seeing the quick fixes you can do to start your gas fireplace, followed by more detailed steps to troubleshoot if you get stuck. 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. Put your thermocouple back into position. If youre struggling with keeping your fireplace lit after 20 minutes to an hour, chances are that you have a sensor or a valve thats going bad. Check Your Thermopile Output with the TH/TP Contacts Step 2. If it has an orange flame, theres likely carbon residue blocking it from burning properly. You need to bypass the wire on the gas valve. A gas leak is a very serious threat to your home and can quickly turn into a raging fire. This will case the flame to lift away from the thermocouple, the temperature to drop, and the gas valve to shut off. In addition to the condition of the flame, the color of the fire emitted by the pilot makes a difference. 5. Working with Gas and Electricity is very dangerous and should only be done by licensed plumbers / gas fitters / electricians. How does a thermocouple work? Find your main gas control valve, and locate the thermopile sensor then find the Electric Contacts labeled TH/TP and TP respectively on 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. How Do You Fix a Patio Heater That Wont Stay Lit? If your fireplace lights, its a bad wall switch and it needs to be replaced. The prices can vary greatly depending on the type of fireplace you have as well as the issue that is causing your fireplace to stop lighting. The thermocouple joint(exposed) will give the quickest response. Your thermocouple voltage should be between 25mV and 30mV. Remove the valve using your pliers. Most fireplaces are pretty primitive and only have a few components that can malfunction and will require repair. Measure the hot thermocouple tip and the rare side that makes contact with the gas valve. Glass Soots. Should you require further clarification, never hesitate to ask. Also found in certain gas space heaters and construction-site portable heaters. You can find Tyler getting outdoors whenever he can and nerding out about fireplace technology in his free time. If the flame is blue and strong but is off-center on the thermocouple, you may move it forward or backward in the pilot bracket to correct it. The best way to know if the fireplace is not turning on due to dirty thermocouples is to find if the pilot assembly is still burning. If it reads less than 300 millivolts, it may be cause that your gas fireplace wont function, therefore, you should replace it. When this happens, you should call a professional to get it changed quickly to avoid a fire incident. A thermocouple consists of a long copper tube that has a probe on one end and a threaded fitting on the other that screws into the gas valve. Its categories are E, J, K, T, and N. Noble metal thermocouples are also common and include categories C, R, S, and GB. If you skip that step, you will be letting out some gas, which can be a fire hazard or health hazard. 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. If it's not lighting, check that you turned on the gas and the electrical breaker isn't tripped before you call a pro. Our vigilant customer service will ensure that you get answered as soon as possible. Made with Newspaper Theme. Pilot lights should have a blue flame. For further assistance, please call our Customer Care Center at 1.800.762.1142. Next I unplugged the ON/OFF switch, and connected wires directly flame came right on again, which means High-Limit switch is good, and it was the on/off switch! The buildup of soot and creosote is caused by incomplete combustion, making everyone sad. This is due to the varying electron densities of the different wires. Pull the thermocouple out fully and replace the access door. 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. What Do Thermocouples Do on Patio Heaters? It costs $150 to $250 to replace a thermocouple. The tube is above the bracket. Procedure for Replacing a Thermocouple Turn off the gas supply to the gas valve. Put your thermocouple back into position. Turn Off the Gas Supply To The Fire Pit The first step in the process is the most vital. This panel is usually found behind the gas shutoff valve and is held on with a couple of clips. Then detach the thermocouple from the burner and take it with you to the home center or hardware store to ensure you buy the right replacement. Set your meter to VOLTS DC, and range to mV (millivolts). To bypass the thermocouple: The thermocouple and thermopile are the two most common reasons why a gas fireplace wont stay lit. 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