This can take up to a minute. Your thermopile voltage should be between 650mV and 800mV. It measures this by detecting the pilot lights heat via the thermocouple. After a lot of learning lessons, Ive developed some tips and tricks to properly take care of fireplaces. He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. If you havent already, use a wire brush to clean the openings. The measuring point detects a temperature change leading to voltage creation. Cut out the fuel supply of your propane heater. 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 . Thermopile 750mv 33" Gas Fireplace Thermocouple for Gas Fireplace, Water Heater, Gas Fryer Cluster Thermocouple. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. Light some kindling wood or paper first, and wait for it to catch fire to some small logs or pieces of coal. Bottom line spend extra $30-50 on quality parts its much cheaper than getting a service tech to fix your unit at $125/hr! Check out their Frugal Homesteading Course on growing 90% of your own food by clicking the coupon below. Its quite common for a security light to take several tries to light again after being left on inadvertently. Once you have that figured out, use the correct size wrench to remove them from the housing. Are you wondering how a thermocouple can be cleaned? So youve checked your pilot light and even reset it, but still, it wont stay lit. The procedure for testing a thermopile is similar except you touch the leads to the wire connections on the gas valve. Remove any nuts holding the thermocouple in place and wiggle it out. Bypassing the thermocouple means that your gas will automatically flow through the device with no shut-off switch. The pilot is typically located inside fireplaces on one side close to the wall. Step 1: Leave the gas to cool first if it has been burning. It is a device used inside a gas furnace in Kansas, to assist the pilot light in keeping your furnace running and safe. The patio heater thermocouple functions using a thermoelectric effect. When thermocouple is heated by pilot flame, it begins to make electricity. 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. 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. 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. 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. It happens. Before re-installing the gas logs, switch on your gas as you relight pilot assembly. 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. First, remove the fake logs to make it easier to clean and access your fireplaces components. 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. Thermocouple and Thermopile on a Gas Fireplace with lit pilot light. Use your screwdriver to loosen the screws on the thermocouple. 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. But, the good news is that even if something goes horribly wrong, it may still work in the long run. You dont want to cause additional problems. 5. The following is only an educational overview of how gas fireplace components are checked. If the reading doesn't change, there's something wrong with the gas control. Call Air Experts for Furnace Thermocouple Repair in the Raleigh, NC Area! 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 other ends of the wires are for attaching to the voltage reader. Even a slight residue can make the thermocouple malfunction. Place one lead on one of its sides. How much should a plumber charge to replace a thermocouple? If your logs wont catch fire, it may be that you have started too big. If your thermocouple is still in good condition, you should be able to read 25 millivolts of voltage or higher, but if it reads less than 25 millivolts, your thermocouple needs to be replaced. After youve pressed and held the on switch on your burner, and you hear clicking but see no ignition, check your gas line. 1) If there is no pilot flame, thermopile wont sense heat and wont open the valve. Can Firewood Bring Termites? Normally, the pilot light is enough to heat it, but debris can block and affect the pilot lights flame. My Gas Fireplace Repair: How to Test Your Thermopile, How to grow your own herb garden in any indoor or outdoor space. 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. How do you clean a dirty thermocouple? You may have to wiggle it a bit before it comes loose. Starting up a gas fireplace begins with shifting the pilot light to the on position. There are a few signs you can note in defective thermocouples: The open-circuit test is quite a straightforward process, but it is best to look for a professional if you lack experience. 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. Step 2: Connecting the House Current. Replace if Cleaning Did Not Work Other Reasons for Gas Fireplace that Won't Stay Lit Regency Fireplace Products | Gas Inserts, Wood Stoves, & More! He's constantly trying his hand with fire pits, smokers, and of coursefireplaces. It should be mostly blue, burn steadily and be large enough to engulf the thermocouple probe. Stupid thing wouldn't stay on! Read more. Step 2: Disconnect the probe from the clamp. The best way to clean your thermocouple is to use either a piece of steel wool or the coarse side of a sponge to gently clean off any soot or other remnants. The most complicated, expensive to buy and/or replace part is the gas valve. Turn on the knob from off to pilot to turn on the gas fireplace. If you do see corrosion, clean it off using a bit of vinegar and baking soda. Which Fireplace Insert Is Right for You: Wood or Gas. Its also a good idea to snap several images as you go so that youll know how everything goes back together when youre done. It is essentially a sensor that measures temperature and is made up of two different types of metals, joined on one end. Set your meter to ohms. You can heat up your thermocouple / thermopile with a lighter for 30-45 seconds, and keep it hot. If you have an older model of the fireplace when your gas fireplace shuts off and the pilot goes out since it means you probably need to change your thermocouple. If you overload your wood burner with logs, the lack of air circulation can also cause your fire to go out. 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. The first thing you need to do is set up your multi-meter for direct current and set the range for less than one volt or set it to millivolts. 510 . If the above steps didnt work for you, heres a slightly different approach that works for many people: For more details on how to test your fireplaces thermopile, check out this post by mygasfireplacerepair.com. Each clip type may be slightly different, but they can all be removed. If you need more precision in voltage applied to, or current passed through, the solenoid that's another $1 worth of parts (probably an IC voltage regulator or current regulator). Make sure to report it as a gas leak, and explain why you believe it may be coming from your fireplace. You can use it to manually ignite the gas fireplace when there is no electricity. See more about Remodeling Calculator team here. Find the thermocouple, which is located next to the pilot light and looks like a small straight pipe. Use the bending template in your owner's manual to bend it appropriately. In most cases, this means that your thermopile (the sensor/valve that keeps an eye on your fireplace temperature) or your oxypilot (the sensor that keeps an eye on your fireplaces oxygen levels) is in need of cleaning. It will shut the gas off if its not. The Fix: Pilot Light to Gas Fireplace Wont Stay Lit So youve checked your pilot light and even reset it, but still, it wont stay lit. Remove the valve using your pliers. If your pilot light does turn on, but your gas fireplace still isnt igniting, check the gas line next. Each calibration has a unique temperature range. FREE delivery Sat, Feb 18 on your first order. This guide will tell you how to make sure your gas fireplace stays lit and when it may be better to call a professional to fix it. However, there are other possibilities out there. And there you have it: magic without the pixie dust! Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product. Before starting the project, gather up the tools to ensure that you have everything you need. Once your unit is clean, put it back on the pilot assembly. If the color of the flame turns yellow or red, its a sign of gas contamination. When this happens, you should call a professional to get it changed quickly to avoid a fire incident. If it works, your issue is likely fixed. 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. You can test if your gas fireplace is working by using the switch located next to the burner. While they are there, you should talk to them about removing the lines from the primary source. 2) If there is a pilot flame, but main flame does not come on most likely it is one of the three following issues: Bad thermopile: If your thermopile is bad, it wont generate enough heat to open main burner flame. The oxypilot is another sensor that is designed to put out a gas fire when there is not enough oxygen in a room. Normally when the thermocouple malfunctions or isnt working, it simply shuts off the gas to your heater. The terminals are labeled TP and TP/TH, as illustrated at My Gas Fireplace Repair. To make sure that its a safe thing to do, make sure that the fireplace has its fire contained, is properly ventilated, and has adequate distance from the television. Use a can of compressed air to gently blow away any dust and dirt from the thermocouple. 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. Valor Radiant Gas Fireplaces. How does a thermocouple work? Ossiana Tepfenhart is an expert writer, focusing on interior design and general home tips. You need to hold the valve in for 5 seconds once the burner is lit to allow the thermocouple time to heat up. Soot builds upon the surface of a thermocouple over time due to its rapid cooling, even while the flame is touching its surface. When replacing a thermocouple or thermopile with the help of a professional, you can expect to pay between $150 and $250. How To Bypass a Thermocouple On a Fire Pit ? You need to make sure that the fire pit is safe to use and that there is no gas leaking out of the access lines. I personally like the . Reset the knob to the pilot position: Remember to do this when you are ready to ignite the pilot light of your gas fireplace. There are numerous reliable yet affordable. You can contact us via our contact form if you have any inquiries about patio heating. How Do You Clean a Thermocouple on a Propane Heater? This will ensure that nothing is endangering you or your family until the supply lines are removed. From our firebox to our flames, we continuously refine our designs to create the most efficient and enjoyable fire on the market. Cleaning dirty burner ports from time to time could help solve the problem. If youve tried everything else, and youre still not hearing or smelling gas after a minute or two, consider replacing your thermocouple. Pull the valve housing aside using your 13mm socket wrench. Remove your thermocouple from the heater using an 8mm wrench. Check the Pilot Light On the contrary, if you want to decrease the flame, you should turn the key clockwise. If flames extend past thermocouples, they are stronger. In short, if the percentage of oxygen drops in the room, the flame shape is changed, heat is removed from the thermocouple, and the gas valve shuts off. This site is the place where I share everything Ive learned to help you with your fireplace needs. Napoleon F60 On/Off Fireplace Remote Control with Thermostat provides control of gas heating fireplaces with a simple click of a button. These commissions help to keep the rest of my content free, so thank you! To bypass the thermocouple: Move the tilts switch wire aside. What new challenges concerning outdoor patio heaters are you facing? -Your are now a master fireplace serviceman . Therefore, inspecting and testing your thermocouple should be part of your furnace maintenance. Continue with Recommended Cookies. Pull the valve housing aside using your 13mm socket wrench. How and Should You Install a Chimney Antenna Mount? How to Clean the Thermocouple in a Gas Fireplace. If you have access to the thermocouple without taking the lines off, you can leave them connected if you want. If you skip that step, you will be letting out some gas, which can be a fire hazard or health hazard. The gas fireplace issues that youre dealing with are usually fairly fixable. : thereifixedit. The purpose of the ODS is to shut off the supply of gas to the heater/fireplace when the oxygen level drops below 18%. When youre satisfied with the way the thermopile looks, go ahead and re-ignite the pilot light. Learn More Find Your Flame Wood Gas Pellet Electric Find A Store FIND YOUR LOCAL FIREPLACE DEALER This is basically the role of the pilot light. Can thermocouples go bad? More From Doityourself You will find the pilot inside the ignition system at the top of the burner assembly. 2 connectors for attaching to an anti-tilt device. Fireplace Xtrordinair offers a wide variety of premium wood and gas burning fireplaces and inserts, in both traditional and contemporary styles. There will be a small tube that runs off the side of the gas control valve and into the area of the main burner. Remove the thermopile wiring connector from the gas control. Put your thermocouple back into position. When the connection of these two metals is heated or cooled, a voltage is created that can be linked back to the temperature. Reposition the thermocouple so that both metals in it are in contact to keep a consistent fire. Gas and wood burning fireplaces have a rating plate in the control compartment area, under the smoke shield or on the firebox side column. 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. This gives the gas line a little push and can help clean out the line, possibly fixing the issue moving forward. The thermocouple, which operates as a safety device, turns the gas supply off when the pilot light goes out. A tiny flame known as a standing flame is used to heat a small probe called a thermocouple, or thermopile. Less common reasons are dead batteries in the remote, a broken wall switch, or a broken thermocouple. The perfect position is when flames cover the tops of thermocouples and burn with yellow tips. Once the wiring is free from the switch unit, bypass the wall switch by touching the two wires together. Your pilot should be about 90 percent blue, with very little yellow. If you have no pilot light, it is most likely that your thermocouple is bad, and needs replacement. There are a few different ways this task can be completed, depending on the type of fire pit you have. Remove the thermocouple access panel. A reading below 300 millivolts would require you to replace the thermopile. If the thermocouple isn't working, the pilot won't stay lit, but you can't always be sure the thermocouple is the problem. Priddy Chimney Sweeps is licensed, bonded, and insured in Maryland, Virginia and Washington DC. Although not a common fault with gas fireplaces, just like every other component, it is subject to failure. Remove the thermocouple from the system (use the manufacture's guide) 3. Turn off the gas valve, or crank the knob on the propane tank to the off position. 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. I have two fireplaces (one indoor and one outdoor) and I do what I can to maintain them. Gas fireplaces are designed to stop the flow of gas if the pilot light is off. #1 Hello All - new to the forum. Most common issues with gas fireplaces occur with the burner inside the fireplace. Since the chimney was invented, having a fireplace was one of the most important ways people got heat in their homes and cooked their foods. 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