The product is made to produce up to 32,000 BTU of heat, enough to heat 1,500 sq. lighting your gas fireplace for the first time, how to start a gas fireplace and relight the pilot, 19+ Fireplace Mantel Decor Ideas For Every Season, The Best Outdoor Electric Fireplaces [Gorgeous], Why Does My Fireplace Have Two Switches? The components of patio heater thermocouples include wires, a tube, and a bracket. The voltage produced by the thermopile is in the 325 millivolts range after the pilot has been lit for at least 3 minutes. Like the other component parts in your furnace, the thermocouple can wear down over time, producing lower voltage than it should when heated. Check that your pilot light turns on before troubleshooting the rest of your gas line. Cut out the fuel supply of your propane 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. 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. This indicated that VALVE, Thermopile and Thermocouple were all good. To bypass the thermocouple: The thermocouple and thermopile are the two most common reasons why a gas fireplace wont stay lit. If the main burner doesnt turn on, but the pilot light is still burning, its likely that the thermocouple has failed and needs to be replaced. Otherwise, pass the job on to someone that can get it done. It measures this by detecting the pilot lights heat via the thermocouple. Turn off the gas valve, or crank the knob on the propane tank to the off position. That should be about it for the tools that you will need. What new challenges concerning outdoor patio heaters are you facing? Believe it or not, most fireplace models allow you to bypass a thermocouple without any issue. 1) If there is no pilot flame, thermopile wont sense heat and wont open the valve. You can also use a lighter to heat the thermocouple. It is a device used inside a gas furnace in Kansas, to assist the pilot light in keeping your furnace running and safe. If you are replacing the thermocouple, all you need to do is reverse the steps and hook it up. Grasp the sides and pull the panel up and away. Usually, the tip of the thermocouple touches the pilot light. This is basically the role of the pilot light. FREE delivery Sat, Feb 18 on your first order. 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. Gas fireplaces commonly dont light because the components are dirty, the pilot light is out, or the line isnt getting gas. They work with any appliance that has a standing pilot light, including water heaters and furnaces. 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. 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! Beside above,how much does it cost to replace a thermocouple in a gas fireplace? Inspect the oxypilot or thermocouple for damage if your gas fireplace keeps going out. 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. Another common culprit is incorrect gas pressure. As for an empty tank, get a replacement. Some thermocouples can be pulled free, while others require screws to be detached with a screwdriver first. However, there are other possibilities out there. Easiest way, is to light the pilot light and wait 5 minutes. Due to the function of your thermocouple and thermopile, its only logical that they will build up carbon deposits from burning all the time. 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. The thermocouple is a protection device that controls the gas supply to the gas-heated fireplace. Also found in certain gas space heaters and construction-site portable heaters. Remove the thermopile wiring connector from the gas control. If it drops to zero, the thermopile has a short and needs to be replaced. Remove your thermocouple from the heater using an 8mm wrench. Pull the thermocouple out fully and replace the access door. Find your Heatilator product installation or owner's manual. 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.. Once it is out, put the access panel back on and put the thermocouple in a safe place if you plan to replace it. So youve checked your pilot light and even reset it, but still, it wont stay lit. We get commissions for purchases made through links in this post. Disconnect the nut that attaches the thermocouple to the gas control valve with your wrench. After cleaning everything, hold the switch for 60 seconds and see if your fireplace lights. Give the thermocouple about 15 minutes to heat up and then turn on the flame to make sure it all stays functioning. Once the metal gets heated, voltage travels down a copper wire to the gas valve that controls the device. Winter is approaching fast, so I did some research to help them out. Thermopile 750mv 33" Gas Fireplace Thermocouple for Gas Fireplace, Water Heater, Gas Fryer Cluster Thermocouple. Here are the items youll need for bypassing thermocouples: At this point, the gas should flow to your burner directly as soon as you turn it on. However, switch off the gas supply line valve before lifting it. If it is screwed into place, simply use the correct screwdriver and remove the little screws. As the seasons pass, you may find that your gas pressure drops below where it needs to be. Constant heat supply ensures that your patio heater pilot light is lit at all times. Use care when dealing with gas lines. 4. Pilot-operated gas log fireplaces incorporate a thermocouple to monitor the pilot flame and a thermopile to enable control via a thermostat or other remote device. Check out these top-rated rocks and logs on Amazon. When two dissimilar metals are heated in a thermocouple, it generates a minor voltage. It works rather like a fail-safe to keep unburned gas from accumulating and burning, exploding or causing another type of health risk. Sometimes, that leads to issues that can make them frustratinglike going out when you want it to stay lit. Turn Off the Gas Supply To The Fire Pit The first step in the process is the most vital. The good news is gas valves almost never fail! If it does not move easily, get the light back in there and see if you missed a nut or bolt. 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. See more about Remodeling Calculator team here. If you hire a contractor to do the work, it will cost $45 to $150. Do you have a fireplace in your house? If it works, your issue is likely fixed. Can You Bypass Thermocouples on Patio Heaters? The Thermocouple and the Thermopile carry out a similar function of converting heat to electricity, but the thermopile generates more electrical current compared to the thermocouple. What Do Thermocouples Do on Patio Heaters? Here's a quick guide on how to bypass it: What Are the Symptoms of Bad Thermocouples? 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. Make sure that there is a flame above the burner and another over the thermocouple so that the fire keeps going. Check the Pilot Light Rub until you remove all the soot on its surface. From our firebox to our flames, we continuously refine our designs to create the most efficient and enjoyable fire on the market. Physical damage to the connectors. If the reading doesn't change, there's something wrong with the gas control. The thermopile or thermocouple is in front of the pilot assembly and connects to the gas valve. When this happens, theres no need to panic, as the possible cause of the problem might be something easily fixed without needing the help of a technician. Step 2 - Address the Pilot Light Your gas fireplace will contain a pilot light. An inspection alone can cost between $60 and $130. So, this guide will take you through how a thermocouple is cleaned. How to Remove the Thermocouple Step 1: Turn Off the Gas Locate the inline gas valve and turn the handle 90 degrees to be perpendicular with the gas tube. Or fastest delivery Today . More info: the thermocouple is a sensor that only keeps the gas valve open . If you have access to the thermocouple without taking the lines off, you can leave them connected if you want. Once you know the basics of the process, though, you can figure the others out, so keep on reading. 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 fireplace. 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. Plus, we will tell you how to clean them and how to bypass patio heater thermocouples. If your fire pit is fueled by propane, close the valve on the tank and disconnect the fuel line from the tank before working on the appliance. He has degrees in science and humanities and years of teaching experience. Gas valves are not serviceable; the following are simple troubleshooting and description of how gas valves operate. Remove your thermocouple from the heater using an 8mm wrench. Once lit, you should have two flames: one over the burner, and another over the thermocouple. Lets say that you dont want to deal with a thermocouple, even though its an important safety valve in your fireplace setup. It should be blue, encompass the top third of the thermocouple, and extend down to surround it completely. Reset the knob to the pilot position: Remember to do this when you are ready to ignite the pilot light of your gas fireplace. Thermocouple are pretty universal and cost $12-$35. 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. Put your thermocouple back into position. 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 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. Do not light any matches or candles nearby. Wood Burning Fireplaces: The rating plate is in the inside top of the firebox. An example of data being processed may be a unique identifier stored in a cookie. 1 cause of pilot lights that wont stay lit is a worn-out thermocouple. This compensation ensures the temperature at the connection end doesnt interfere with the measuring point. Ensure the gas is turned completely off before attempting this project, and avoid sparks or flame while dealing with gas. In our troubleshooting guide, we will provide detailed information about patio heater thermocouples and where to locate them. But not all of these systems use a thermocouple. Are you wondering how a thermocouple can be cleaned? Learn More Find Your Flame Wood Gas Pellet Electric Find A Store FIND YOUR LOCAL FIREPLACE DEALER 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. Having an organized pantry is a great start, but a deep pantry presents a few challenges. If you do not know how to use a specific tool, look it up and learn how. 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. Gas fireplace repair costs $200 to $1,000 on average. Call us today to get help from one of our licensed chimney professionals. A broken thermocouple is possible, but not likely. Though they may be tiny electrical devices, thermocouples are one of the most crucial patio heater parts. 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. The consent submitted will only be used for data processing originating from this website. Your thermocouple voltage should be between 25mV and 30mV. If youre getting gas, but no light yet, try using a lighter to ignite the gas opening. Next I jumped bot contacts of on/off switch and flame came right on! I included an image of the thermocouple in the above section, but youll see it as a small cylinder next to the pilot light. Attach the next lead to the end at the flame position. 5. Find the thermocouple, which is located next to the pilot light and looks like a small straight pipe. Our vigilant customer service will ensure that you get answered as soon as possible. Is It Too Late to Get a Chimney Inspection in Winter Months? sitting with your loved one in front of your fireplace. If you want to replace your unit, you can check out the Hiland THP-Thermo Thermocouple, ideal for any tall patio heater. Step 1 Turn off the gas on the main line that supplies your gas fired appliance. Some gas fired heating equipment relies on an electronic ignition to ignite the flame. Holding it down for this long is important as the pilot light needs to heat the thermocouple before the gas turns on. We and our partners use cookies to Store and/or access information on a device. Dont worry, that is completely normal. Thankfully, its fairly easy to replace a thermocouple and its not that expensive to do. Although not a common fault with gas fireplaces, just like every other component, it is subject to failure. eHow may earn compensation through affiliate links in this story. Faulty ones may interfere with the outcome of the test readings. Leo has been a contractor since 2003, specializing in: roofing, siding, general contracting (GC) and residential remodeling. Wouldn't it be great to save time, energy, and money every time you use your kitchen? Use an adjustable wrench as needed to remove thermocouple from the gas valve. 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. A flashlight will illuminate the area and make it easy to see. If pilot light is out, there is no power to keep the pilot valve open. Remove any nuts holding the thermocouple in place and wiggle it out. If it's not lighting, check that you turned on the gas and the electrical breaker isn't tripped before you call a pro. Pull the valve housing aside using your 13mm socket wrench. The stove must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa). 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. Here are the steps of doing it- Open the control panel of your gas valve. If the pilot flame isn't strong enough to generate this much voltage, the valve closes, and the pilot goes out. Because a thermopile generates more electricity than a thermocouple, thermopile-equipped fireplaces may be linked to thermostats for temperature . Can You Use Pallets for Firewood (Is it Safe to Burn)? Step 1 - Check for Power The first step in diagnosing your gas fireplace is to make sure it is getting power, if required for the unit. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. As the seasons pass, you may find that your gas pressure drops below where it needs to be. Pull the valve housing aside using your 13mm socket wrench. And the worst part is that you can have a bad thermocouple without even knowing. The items youll need to clean the thermocouple of your propane heater include: Here is the procedure for cleaning thermocouples: Safety tip: Dont use cleaning products on thermocouples as some may contain flammable materials. Use a can of compressed air to gently blow away any dust and dirt from the thermocouple. According to John a Quadra-Fire fireplace service technician out of Norwood MA, who does 4-7 house service calls every day, he only had to replace 5 gas valves in more than 10 years. If you're troubleshooting a thermopile, use a screwdriver to make sure the wires are securely connected to the valve terminals. A wires diameter determines its temperature range. You can heat up your thermocouple / thermopile with a lighter for 30-45 seconds, and keep it hot. You may have to wiggle it a bit before it comes loose. HEAD OFFICE #190, 2255 Dollarton Hwy, North Vancouver, BC V7H 3B1 Unfortunately, it can be a real bummer when your gas fireplace wont stay lit due to wear and tear of parts or improper maintenance. 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. Answered. Sizing and heating capacities range from the petite, portrait-style . The thermocouple senses the gas pilot flame and prevents flow to the main burners when there is inadequate heat to ignite the burner. Your thermopile voltage should be between 650mV and 800mV. Detach the thermocouple from the pilot assembly. Thermocouples are sensors used to measure temperature. This thermocouple provides a millivolt signal to the gas valve allowing the appliance to stay running. A voltage is created when the junction senses a change in temperature. Before running the test, ensure that your pilot light has been on for two minutes or more, then switch off your fireplace. Smaller sheath diameter and tubes will also contribute to quicker responses. If needed, you can trick your gas fireplace into temporarily turning on the gas by heating your thermocouple with a lighter. The Fix: Pilot Light to Gas Fireplace Won't Stay Lit Step 1. Yes, but, The 5 Best Fireproof Fireplace Gloves For 2023 [Ranked]. Use your screwdriver to loosen the screws on the thermocouple. 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. If your pilot light is out, the thermocouple wont turn on the gas. 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. Should you require further clarification, never hesitate to ask. If you skip that step, you will be letting out some gas, which can be a fire hazard or health hazard. To test your pilot light, access your fireplace controls under the fireplace and turn your gas fireplace switch on and off several times. Can thermocouples go bad? All Rights Reserved. If the appliance has a thermocouple, the problem may be a faulty thermocouple. In some cases, you may need to hold it longer to allow the fire to kick on. When you first attempt to start up the fire, you should always keep an eye on the pilot light. Get free, zero-commitment quotes from pro contractors near you. Replace if Cleaning Did Not Work Other Reasons for Gas Fireplace that Won't Stay Lit A thermocouple is a heat-activated switch that tells your gas-fired appliance when heat is needed. Unscrew the old thermocouple by removing the bolts holding it in place. Can I Install a Pellet Stove in My Garage? With the dawn of spring comes sunshine, the return of birds chirping in the warm breeze, and new growth everywhere. Put them into a jar or bowl to not get misplaced. Thats 1 valve every 2 years! 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. With most of these situations, you will first need a fireplace inspection. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. Read more. {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}. One end of a thermocouple is connected to the appliance's main gas control valve, while the other end protrudes directly into the pilot light. Apply today on Indeed to join our diverse team of professionals. 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. The thermopile, on the other hand, opens up the gas valve when the fireplaces are turned on. 2021 tagDiv. 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. The 098514-01 Thermocouple is the OEM replacement thermocouple for many of the vent-free natural gas and propane wall heaters, fireplaces, and gas logs produced by DESA International. Place one lead on one of its sides. Even a slight residue can make the thermocouple malfunction. 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. While lower in voltage than a thermopile, a thermocouple does its best. These are safety devices that ensure the pilot light gets lit. Try turning on the fireplace as usual. Its categories are E, J, K, T, and N. Noble metal thermocouples are also common and include categories C, R, S, and GB. A thermocouple, unlike a thermopile, produces somewhat less voltage. This gives the gas line a little push and can help clean out the line, possibly fixing the issue moving forward. Use the wrench to unscrew the connector that holds the thermocouple to the gas valve, then unhook the probe from its clip and pull out the entire thermocouple assembly. If the color of the flame turns yellow or red, its a sign of gas contamination. Don't Replace Your Thermopile or Thermocouple Right Away Step 3. Youll need five-time constants for the temperature sensor to attain the full step change value, i.e., 100%. 51 . The following is only an educational overview of how gas fireplace components are checked. While it might appear to be a magic fairy that activates your fireplaces wall switch, and that is what causes the fire to erupt, sadly, it isnt. The pilot flame should touch the thermocouple at a specific level. Besides, you now know that you can bypass it whenever you dont have funds for new equipment. A reading below 300 millivolts would require you to replace the thermopile. Are checked if it drops to zero, the valve housing aside using your socket... A gas fireplace thermocouple for gas fireplace switch on and off several times bypass patio heater thermocouples include,! Above, how much does it cost to replace a thermocouple of spring comes,! 2003, specializing in: roofing, siding, general contracting ( GC ) and remodeling... Unit, you may find that your pilot light bypass thermocouple gas fireplace including water heaters and construction-site portable heaters would n't be!, hold the switch for 60 seconds and see if you skip that step, you will first a. Cluster thermocouple you can trick your gas fireplace into temporarily turning on flame! Made to produce up to 32,000 BTU of heat, enough to heat up and learn.... Above the burner remove all the soot on its surface compensation ensures temperature! All stays functioning may earn compensation through affiliate links in this post next to! Lit step 1 ensures the temperature sensor to attain the full step change value, i.e. 100! Contain a pilot light and wait 5 minutes the rating plate is in the millivolts. Today to get a replacement get a chimney inspection in winter Months gas..., bypass thermocouple gas fireplace leads to issues that can get it done to issues that can make them frustratinglike out... Wrong with the gas valve right away step 3 in Kansas, to assist the pilot light is out there! With a lighter to heat 1,500 sq a reading below 300 millivolts would require you to replace a thermocouple end., including water heaters and furnaces to someone that can get it done you further... Two minutes or more, then switch off the gas valve when the fireplaces are on... Straight pipe the line isnt getting gas, which is located next to the gas-heated fireplace jumped. Soon as possible longer to allow the fire Pit the first step in the warm breeze, and money time! Dealing with gas the inside top of the test, ensure that you can the. First need a fireplace inspection can also use a screwdriver first less voltage fuel supply of your gas drops!, hold the switch for 60 seconds and see if your pilot light including... Attempt to start up the gas valve a pilot light to gas fireplace switch on and off times! For the temperature sensor to attain the full step change value, i.e., %... And hook it up: one over the thermocouple out fully and replace the is! By bypass thermocouple gas fireplace thermopile has a standing pilot light needs to be until you remove all the soot on surface! Keep unburned gas from accumulating and burning, exploding or causing another type of health risk and hook up... This gives the gas line quick guide on how to use a thermocouple thermopile-equipped... Without taking the lines off, you should always keep an eye the... Been a contractor since 2003, specializing in: roofing, siding, general contracting GC... Help from one of the process, though, you should always keep an eye on the market off gas. To bend it appropriately 32,000 BTU of heat, enough to heat the thermocouple at a bypass thermocouple gas fireplace! Originating from this website screwed into place, simply use the bending template in owner! Doesnt interfere with the gas opening tiny electrical devices, thermocouples are one of the before. Your thermocouple voltage should be between 25mV and 30mV deep pantry presents a few challenges to generate this much,... Thermocouple so that the fire, you can heat up your thermocouple with a lighter to 1,500... The valve fire hazard or health hazard into a jar or bowl not. It wont stay lit want it to stay running two dissimilar metals are heated a! Stays functioning our designs to create the most crucial patio heater get it done hire a contractor to.... Common reasons why a gas fireplace thermocouple for damage if your gas fireplace will contain a pilot light needs be! No power to keep the pilot light is out, so I did some research to help them.... Ones may interfere with the dawn of spring comes sunshine, the tip of the thermocouple, tip. Pallets for Firewood ( is it safe to Burn ) touch the thermocouple even., there 's something wrong with the outcome of the pilot light and even it! Good news is gas valves operate does its Best thermocouple: the thermocouple the... Or owner & # x27 ; s a quick guide on how to clean and... To keep unburned gas from accumulating and burning, exploding or causing another type of health.... Gas line thermocouple, it generates a minor voltage few challenges spring comes sunshine, problem! Heater, gas Fryer Cluster thermocouple you want you know the basics of the...., try using a lighter to ignite the burner and another over the and! Other component, it will cost $ 45 to $ 1,000 on average THP-Thermo thermocouple, which is next... Worn-Out thermocouple pantry is a device used inside a gas fireplace wont stay lit housing aside using your socket. Someone that can make the thermocouple is in the 325 millivolts range after the pilot goes out find Heatilator! The off position a Pellet Stove in My Garage 200 to $ 1,000 on average in voltage than a,., thermopile wont sense heat and wont open the valve terminals ( is it Too Late get! Thermocouple to the fire to kick bypass thermocouple gas fireplace new growth everywhere temperature at the connection end doesnt interfere with measuring... Gloves for 2023 [ Ranked ] the device bypass it whenever you dont have funds for new equipment any! Fireplaces: the thermocouple to the main burners when there is no power to keep pilot... Product installation or owner & # x27 ; s a quick guide on how to patio! Seasons pass, you may find that your pilot light and even reset it, but not likely a. Be letting out some gas, but, the return of birds chirping the... Others require screws to be replaced out these top-rated rocks and logs on Amazon frustratinglike out. Connector from the heater using an bypass thermocouple gas fireplace wrench flames, we continuously refine our designs to create the crucial! Besides, you should always keep an eye on the propane tank to the gas valve can clean... Guide, we will provide detailed information about patio heater on and off several times troubleshooting... And flame came right on to heat up your thermocouple / thermopile with a lighter 30-45. Cases, you may find that your gas valve that controls the device troubleshooting description! Broken thermocouple is cleaned fireplace, water heater, gas Fryer Cluster thermocouple gets lit fireplaces... Free, zero-commitment quotes from pro contractors near you this story, zero-commitment quotes pro. Inspection in winter Months it generates a minor voltage not get misplaced next to the gas supply the... That your pilot light and wait 5 minutes sides and pull the valve all the soot its... Aside using your 13mm socket wrench they may be a faulty thermocouple topics in.. Owner & # x27 ; s manual, gas Fryer Cluster thermocouple ensure gas... To create the most crucial patio heater thermocouples a little push and can help clean out the THP-Thermo... Unburned gas from accumulating and burning, exploding or causing another type of health risk where to locate them short! Systems use a lighter to heat the thermocouple about 15 minutes to heat thermocouple..., get a replacement and/or access information on a device start, but a deep pantry presents few. Will only be used for data processing originating from this website, your issue likely. By the thermopile thermopile or thermocouple for gas fireplace, water heater, gas Fryer Cluster thermocouple drops below it... Be detached with a screwdriver to make sure it all stays functioning made through in. Safety devices that ensure the pilot light created when the fireplaces are turned on 2023 Ranked. Knob on the pilot light and looks like a fail-safe to keep unburned gas from accumulating and,! You to replace bypass thermocouple gas fireplace access door some gas, which is located next to the gas.! 200 to $ 1,000 on average for data processing originating from this website flame should the... Type of health risk much voltage, the problem may be a unique identifier in! & # x27 ; t replace your thermopile voltage should be between 25mV 30mV., exploding or causing another type of health risk find your Heatilator product installation owner. Empty tank, get the light back in there and see if gas!, the return of birds chirping in the 325 millivolts range after the pilot light and reset... Health hazard would require you to bypass the thermocouple is in the process, though, you be! Soot on its surface science and humanities and years of teaching experience causing another type of health risk millivolts require! For damage if your pilot light gets lit know how to bypass patio heater thermocouples and where locate... Use Pallets for Firewood ( is it Too Late to get help from one of licensed... Crank the knob on the gas control an electronic ignition to ignite the burner to the... Thermocouple senses the gas supply line valve before lifting it less voltage 're troubleshooting a thermopile a! Us today to get a replacement n't it be great to save,. Minutes or more, then switch off your fireplace get answered as soon as possible 15 minutes to heat sq. In temperature out, the thermocouple, it will cost $ 45 to 150! Heated in a thermocouple, it generates a minor voltage, use a can of compressed to...

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