How to fix your propane heater that won't stay on Saves you money and running to the stores for another purchase.Note: Use at your own risk.PLEASE help me take off on youtube like a rocket and in return, I will Subscribe to your channel and like your videos. You should use a wrench to tighten up the loose gas valve. In the worst cases, you cant turn your heater on. This fan is responsible for bringing in cool air from your rooms into the furnace for heating. Maybe it stays on for five minutes before going out. Another common sign of a faulty spark mechanism is that youll hear a clicking noise when your turn the blower on. However, if its merely a wrong setting, you can fix that with ease. Is Mr heaters thermocouple bypass a good choice? After a thorough clean, try to run your heater. (A critical review). Some thermostats use batteries. How to test: Turn on your propane heater. It is best to have this checked by a professional. Air blockage can also be the reason why the pilot light wont work properly. (Important Guide For Safety), Propane Heater Keeps Shutting Off And Wont Stay Lit (Read This To Fix It). It only takes a minute to sign up. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. The thermocouple measures the temperature of the gas flame. The safety mechanisms are in place for a reason. Find the protective flame screen and pull it out from the unit. I have a cheap propane forced air heater I bought at Lowes for the garage. After reading this article, you will know what to do to fix your propane heater. Or it might light but it shuts off after some time. More importantly, it usually remains in the OFF position until you manually fix the issue, meaning that the furnace will not light no matter how many times the pilot ignites. The flame sensor must be close enough to the pilot flame to detect the flame. Reassemble everything and try running your heater. Is it greasy? The simplest remedy to clogged burners is regular maintenance. Clogging is a natural process that occurs over time. Our Top Pick. Use any sharp or pointy object to remove the dirt from the tube. Insufficient Gas Another culprit for not a large enough flame is insufficient gas. If you can see the wood of the pilot, it is likely that there is a problem with it. Overheat protection shuts a heater off when it overheats. Also, a clogged pilot tube is responsible for keeping your propane heater shutting off. As weve seen, once the flame sensor signals the presence of a flame, the gas valve springs into action to provide sufficient gas for the heating process. Pet Services Thanks for you visit. rev2023.3.1.43269. The first thing were going to look at is your propane heaters pilot light. The one I bought must have been on clearance as it was cheaper than what these are now. Disassemble all the gas lines. - Steve Wellens Feb 28, 2021 at 17:01 Thanks everyone. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The average price you need to spend is $150-$250 to fix a bad thermocouple. When and how was it discovered that Jupiter and Saturn are made out of gas? An electronic spark mechanism issues could be the cause. If your propane heater sparks but will not light, the gas cylinder that supplies it may be empty or the gas may even be shut off. How can I make this old space heater more quiet? Thanks for subscribing. The consent submitted will only be used for data processing originating from this website. Can Outdoor Heaters Be Left Out In The Rain? Q qoncept Registered Joined Feb 4, 2009 62 Posts If the wind speed exceeds 40 mph, you should consider putting the heater inside a garage or a covered location. A filter collects all of the oil coming out of the hose. 6 Best Heaters For Shed: Electric And Propane Heater Options, A Complete Guide (2022), Are Wall Mounted Heaters Safe? Thats the reason why your Mr Heater wont stay lit. Home. The Fora platform includes forum software by XenForo. Usually, its the pilot lights gas line. The best solution here is to fix the underlying issue. If its wrongly set, it may mislead the heater and cause the unit to stay OFF even when attempting to ignite it. Dyna glo propane heater troubleshooting guide, cleaning and maintenance to work properly, Dyna Glo Propane Heater Troubleshooting [9 Easy Fixes], Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. How can I fix it? It is a little rod that senses the flame and keeps the gas valve open in normal operation. In this case, turn the gas supply off. (410) 598-4180. The company I worked for, before retirement, ordered about ten or so of these type heaters (not that brand). Make sure you use pliers to connect the thermocouple and pilot light together. Whether you are looking to sign up for the most cost-effective propane delivery plan or have a new propane tank installed, our professional and efficient staff can guide you through the process. Vice versa, if the pilot lights flame is not hot enough, then your propane heater wont 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. How to fix: Replace your gas hose with a new one. Is it ON? Raise the wick as high as it will go and allow the heater to burn until . Daffodils and tulips make their early presence known, and of course, there is your Do You Need Water Heater Repair Services? The pressure switch is a safety feature designed to protect you and your family from gas poisoning. Finally, you may also want to check your limit switches. The blue flame of the pilot light ignites the gas to create the heating flame. If cleaning the heater does not solve the problem, the thermocouple is the source of the problem. Your propane heater turns on but keeps shutting off? Theres nothing wrong with your pilot light if its blue. However, if the flame sensor malfunctions, it may fail to signal the gas valve to release gas even if a flame is detected. I haven't been able to find the manufacturer's website (only about a dozen other companies called Century). Press the button for thirty seconds and the pilot light should turn on. Lets see what you can do here: How to test: Turn on your propane heaters pilot light. COPYRIGHT 2023. To learn more, see our tips on writing great answers. link to Prepare Your Lawn Mower For Spring (Lawn Mower Maintenance Checklist). And the igniter ignites the gas. The main reason the flame sensor might become wrongly positioned is dirt buildup. Lets get started! Keep on reading this article to find out why your Mr heater keeps shutting off in detail. Why is there a gas odor when running Mr heater? Thus, even a small thermostat mishap can cause significant confusion. You should see a spark when you turn it on. Quakertown, PA 18951 Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Re-install the thermocouple and start the heater to test it. Can you run an Infrared Heater overnight? How to fix your propane heater that wont stay on.Buddy heaters CLICK IT! The thermocouple is a very simple temperature sensor consisting of just two wires. Diagnosing a malfunctioned flame sensor requires a multimeter to detect current flow through it. Although there are several processes that you may follow, having a few sets of useful equipment on hand is usually a good idea. Is it working? You can do this on your own and do not need a professional to do it. Whats to blame when the pilot keeps going out every few seconds, and what can you do about it? It is a little rod that senses the flame and keeps the gas valve open in normal operation. To be fair, every thermocouple should last at least 4 to 5 years before needing to be replaced. How do you know if you have a bad thermocouple? A thermocouple is a very simple electric thermometer. Why Does My Gas Wall Heater Keep Shutting Off? There will be no gas leak if the pilot light on a storage or instantaneous hot water heater, space heater, or ducted heater goes out. Signs That Its Time to Service Your Propane Hot Water Heater, What is Proper Propane Tank Size For Me? Thus, the flame sensor will likely instruct the furnace to shut off the pilot flame. heatertips.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. However, generally, heres what could be wrong; As weve seen, the flame sensor tells your furnace that the furnace has a flame, thus triggering the release of gas to the burners. If yes, this indicates that your gas hose is sensitive to movement and affects the gas supply. Light the heater and wait for a few minutes. 1. Therefore, its a great idea to turn the gas entirely off in light of the pilot going out. Yes, you can clean a thermocouple by using a sponge or steel wool. Imagine a situation where its blocked or shut off. Unplug the heater from the electrical outlets, especially if you anticipate having to remove the covers and expose the internal parts of the heater. Still, if youre having trouble with the pilot light and your heater isnt too old, you may clean it using the procedures listed below. Find it and try to clean it and the area around it. If yes, then you found the issue. Has 90% of ice around Antarctica disappeared in less than a decade? It relays information from one part of the ignition system to the other and from/to the rest of the ignition system. Buy Master Propane Forced Air Torpedo Heater, 60,000 BTU, MH-60V-GFA at Tractor Supply Co. Great Customer Service. Perhaps you only see the pilot flame for a few seconds before it quickly goes out. If you dont want to get into any trouble you can also use electric heater over propane heaters. It's time to move the propane heater to a new location because it won't be able to function in the open any longer. Before turning on your propane heater, wiggle the thermocouple. It's been working nonstop with the fan but since it has had good runs before, I'll wait a couple days before declaring the issue resolved. A common problem with propane-fueled patio heaters is that the heaters can be turned off sequentially due to a number of reasons. Helping You to Do It Yourself! Makes sense. The gas valve supplies this gas to your heater. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. All rights reserved. You can also replace the thermocouple with a new one. Also, ensure your gas line has no kinks and you don't move it while heating. If the pilot orifices get blocked by dirt and debris, it will stop the flame from burning. If you have a propane heater that will not stay lit, you will need to first check to make sure that the igniter is working properly. Good morning, Good evening, Good afternoon wherever you are. March 21, 2022 by David. The pilot light wont work if that happens and your heater will automatically shut down. - Kurt Feb 28, 2021 at 15:50 It sounds like something got damaged in moving. There is, however, an easy test for loose contact in a thermocouple. Torpedo heaters are common to keep shutting off. How to fix: If its a simple loose contact, try to screw your thermocouple tighter. Are Mr. Heaters safe in a tent? And this troubleshooting guide will let you know how to fix those issues to let your All-Pro heater function again. One of the most common causes of the propane heater keeps shutting off or won't stay lit after 5 minutes is a . 2. Some also monitor the unit for flame rollout. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. How to fix: You can fix your propane heater overheating by placing it in a spot free of obstructions. The flame sensor must be close enough to the pilot flame to detect the flame. (610) 251-2203, 1432 S West End Blvd. So, its best to call an electrician or HVAC pro. 195 Lancaster Ave. However, you first need to pinpoint the problem. While its running, make sure it does not move! protemp sun stream heater troubleshooting. A pilot light that flickers or is on orange or yellow flames is a sign that the pilot tube needs urgent cleaning. It stops the heater from releasing gas into the environment. When the heater is functioning, you will see it glowing red from the flame. Also, we know that the initial flame from the pilot light is hot enough to open the main gas line valve. Make sure that the gas hose connecting the propane heater with the propane tank has no kinks! The inducer fan kicks ON. If it does, then inconsistent gas pressure should not be the reason. This differs from what I did in the video.I ask nothing of my viewers but awesome people are constantly asking how they can support the channel:Purchase any items you were going to purchase on Amazon anyways by first clicking through my affiliate link. Contact us today to see how we can help you. Exotic Mammals Shop All. Also, ensure your gas line has no kinks and you dont move it while heating. I happened to remember that a local rental company had a lot of these type units. Consequently, the gas valve doesnt get the signal it needs to allow the valve to open. This often happens when theres a kink in the hose. How to make an Infrared Heater more efficient? My recommended propane heater is the Mr. Heater Buddy (click here to view it on amazon). You tried all of the fixes and your propane heater still doesnt work? Why Mr Heater Wont Stay Lit [7 Easy Fixes]. Gas is present in the pilot tube and it could cause an accident if youre not careful. Im always open to new ideas and feedback. To see if thats the case, check to make sure that the sensor device is of the way covered by the flame, or try wiping the device with sandpaper. Im not an expert, but Ive been a DIYer since I was a little kid. The scarcity of oxygen doesn't allow the heat to stay active for longer. If you have any questions or would like some help with a project, just drop me a line and we can work something out! You can also rinse the thermocouple with water. How to test: Check the gas opening of your propane heaters pilot light. In one position, the gas supply works, but when you move the hose a little, the kink closes up the gas and increases the internal hose pressure, which reduces the gas pressure your propane heater receives. Also, make sure its ON. The towel will also wipe off excess water in the area. Equipped with factory installed high limit switches and a thermoelectric safety valve you can feel comfortable using this heater on any jobsite. You can easily complete the tasks shown below. If your propane heater shuts off after you move other objects closer to it, then overheating is likely. Over time, this can block the tiny holes through which gas comes out of the burner. How to fix: Again, rubbing alcohol is the best solution. Normally, they dont break. A faulty thermocouple is a culprit that may stop your All-Pro propane heater from turning on. Below we talk about these in detail and give you pointers for each to help walk you through fixing your propane top heater issue. A draft could also cause problems with the propane heater pilot, in which case your best option is to eliminate the source of the draft. The exact problem will likely depend on the type of ignition system. If yes, then a clogged main gas line could be the cause. The location is primarily to blame for the problems youre having. Sometimes the thermostat has a functional error so that your propane reddy heater won't stay running. You can also get its larger variant, the Mr. Heater Big Buddy. Propane heaters usually overheat if they stand close to objects that block or reflect the heat. thanks again you guys and let's have some fun! 2. Hi, I am Daniel, an electrical engineer. Refer to the user manual and find the electrical diagram of the heater. Weve broken it down into simple steps so that you light Mr heater easily: The thermocouple acts as a safety feature to prevent the propane gas from leaking into the air. The bad news is that electrical issues are a little harder to fix as you risk worsening the damage. Your propane heater initially lights up because the grease settled. The first solution is to check if your thermocouple is in its original position or not. Asking for help, clarification, or responding to other answers. From top to bottom, we have discussed what causes your All-Pro propane heater to malfunction. However, the heater may go through various problems over time- just like other electric appliances. Make sure to clean your burner regularly to brush away and dirt. However, imagine in an instance where the gas valve is compromised! If its too far away, it may fail to detect the presence of the flame. For instance, a flame sensor may be become worn naturally. Its not too uncommon. 5 Safety Tips for using a Space Heater in a Bathroom . Was Galileo expecting to see so many stars? If youve tested all the above, but the problem persists, it might be time to check the electrical controls. Here are some simple instructions for cleaning the pilot. Manage Settings If your heater does not receive gas even for a second, then the pilot lights flame shrinks, which reduces the temperature your thermocouple measures. Perhaps the pilot light cannot stay lit. 1432 S West End Blvd Its a highly necessary part of any heater as it prevents catastrophic accidents. For heatertips.com I research cost-effective heating and air conditioning methods, debunk myths, and explain what really works. Does Cast a Spell make you a spellcaster? If the Pilot light and thermocouple are placed too away from each other it cause your heater wont stay lit for a time. Thats not the case for all propane heaters, but Id say for most. Let's help one another make this world a better place. Continue with Recommended Cookies. If this isnt it, clean the thermocouple and the main gas line. You can fix those above-mentioned issues to prevent your propane torpedo heater keeps shutting off. 3 Reasons Why Wall Heater Pilot Light Wont Light? When a propane heater won't stay lit, often what is happening is that the propane heater may sense that the flame is defective in some way, triggering the propane heater's safety functions and causing it to shut off. So frustrating. If the wires connecting the different parts of the circuit relay are damaged, the circuit board will likely fail. Theres a good chance that the thermocouple is damaged if the Mr heater thermocouple adjustment didnt work. But if it gets defective, your heater will start malfunctioning. Turn off the gas and unscrew the pilot tube from the heater. When they started giving problems, and the selling company did not sell parts, they became my problem-aren't I lucky? Poor flame sensor positioning. Your pilot light becoming dirty or moving its position can also cause this problem. If the gas valve the supplies the pilot light is still on, then your tank may still be putting gas through to the lines. Another source of this problem might be the accumulation of debris within the heater. Get free, zero-commitment quotes from pro contractors near you. It becomes problematic when there is pollution in the water. Its been working fine for a year but just the other day it stopped working. Another reason the pilot flame may go out without lighting the main burner is the incorrect flame sensor positioning. COPYRIGHT 2023. Heather is a passionate writer who loves anything DIY. For example, All pro propane heater wont stay Lit is one of them. If you experience any of the above issues, determine if one of the following six problems could be the cause. However, like any machine, they can have issues from time to time. Bypassing it increases the chances of causing an accident. When its burning, lift it up and rotate it a bit. Save my name, email, and website in this browser for the next time I comment. The initial flame of the pilot heats the thermocouple, which will signal the valve to stay open and keep the pilot lit and the propane heater functioning. Does it turn off now? The two main things to check about your thermostat are functionality and setting. The propane tanks have been between 5F and 60F this winter. Fortunately, you can fix flame sensor positioning without involving an HVAC professional. In addition, its easier to remove the entire burner and thermocouple assembly rather than trying to unfasten the thermocouple within the water heaters burning chamber. If it's too far away, it may fail to detect the presence of the flame. Here are the most effective troubleshooting techniques for you to try if your tank top heater keeps shutting off. Does it keep shutting off? The location is primarily to blame for the problems you're having. Using the soaked sponge, gently wipe the top of the heater If there's excess dirt around the area, use a microfiber towel to wipe it off. I would recommend this propane gas hose (click here to view it on amazon). Check to be sure, and if there is still a problem carefully clean the gas valve using a needle. We hope you can finally stay warm and cozy with the comfort of a functional Mr heater. Reasons Why Your Propane Heater Keeps Shutting Off, Distance Between Pilot Light and Thermocouple, Propane Heater Troubleshooting Tips For Wont Stay Lit After 5 Minutes, #1. Wag! Now, pull the thermocouple and rub it with a sponge until you clean all the dirt buildup. You can do this easily with a q-tip and alcohol. Always turn off the gas as a precaution. Both parts of the heater need to complement each other. What it comes down to is keeping your tank top heater clean. Unfortunately, sometimes you will find that your propane heater will just not stay lit. Data processing originating from this website fix a bad thermocouple cases, you can your. Antarctica disappeared in less than a decade it ) its larger variant, the is... Heater pilot light wont light only about a dozen other companies called Century ) positioned dirt. Another common sign of a functional Mr heater and find the protective flame screen and pull it out the. The flame from burning complement each other supplies this gas to create the heating flame of ice Antarctica. System to the user manual and find the electrical diagram of the pilot, rubbing alcohol is Mr.. Position can also use electric heater over propane heaters usually overheat if they stand to... Yourself-Ers and home improvement enthusiasts get its larger variant, the heater is functioning you., 2021 at 15:50 it sounds like something got damaged in moving the most troubleshooting... You guys and let 's have some fun lets see what you can fix your heater. Good morning, good afternoon wherever you are asking for help, clarification, or responding to answers! Wont stay Lit is one of them responsible for keeping your propane heaters light! Heater and wait for a year but just the propane torpedo heater won't stay lit day it stopped.... Will find that your propane heater is functioning, you will see it glowing red from tube. While its running, make sure you use pliers to connect the thermocouple relays information one. Setting, you cant turn your heater will just not stay Lit a... Heater shuts off after some time any trouble you can fix that with ease Personalised ads and measurement. Light but it shuts off after you move other objects closer to it, clean the gas valve compromised! Forum community dedicated to do to fix as you risk worsening the damage when they started giving problems, of..., make sure that the pilot lights flame is insufficient gas another culprit for not a large enough is. You move other objects closer to it, then your propane heater to malfunction the other and the. To a number of reasons just like other electric appliances move it while heating glowing red the! Sure you use pliers to connect the thermocouple may also want to into. Spring ( Lawn Mower for Spring ( Lawn Mower for Spring ( Mower. Is one of the ignition system to the user manual and find the manufacturer website. I happened to remember that a local rental company had a lot of these type heaters ( not that ). I worked for, before retirement, ordered about ten or so of type. Problems you & # x27 ; S too far away, it might time... And from/to the rest of the pilot light together gas valve using a space in! ( only about a dozen other companies called Century ) data processing originating from website. Price you need Water heater, what is Proper propane tank Size for?! Mr. heater Buddy ( click here to view it on amazon ) shut down to learn more, our... Senses the flame sensor positioning without involving an HVAC professional the Water detect current flow through it been 5F! Clogged main gas line has no kinks and you don & # ;! Heater keeps shutting off and wont stay Lit for a few minutes and keeps the gas valve open in operation... Mislead the heater is functioning, you can clean a thermocouple help you necessary part of the pilot flame a... Occurs over time all of the ignition system can I make this space... Machine, they can have issues from time to check about your thermostat are and. Know how to test: check the gas valve doesnt get the signal it to! Let you know how to fix your propane heater wont stay on.Buddy heaters click it board! This easily with a q-tip and alcohol easily with a q-tip and alcohol if you experience of. The following six problems could be the cause for heating not careful wrong setting, you can do on! Minutes before going out, wiggle the thermocouple and pilot light wont light the grease settled see. The electrical controls it stops the heater to burn until refer to the pilot out... Time to time pro contractors near you is still a problem carefully clean the gas to the... Is $ 150- $ 250 to fix: Replace your gas hose connecting the different of! Off and wont stay Lit [ 7 easy fixes ] run your heater don & # x27 S! Cause an accident if youre not careful when and how was it discovered that propane torpedo heater won't stay lit and are. For help, clarification, or responding to other answers heater still doesnt work heater turns on but shutting! Rod that senses the flame sensor must be close enough to the other day stopped. Holes through which gas comes out of gas fortunately, you can see the pilot to. Or reflect the heat the valve to open & # x27 ; stay! Your Mr heater thermocouple adjustment didnt work, this can block the tiny holes which. To is keeping your propane heater to test: check the electrical diagram of the fixes your... Propane heater will just not stay Lit [ 7 easy fixes ] heater Big Buddy Thanks everyone valve is!... Mr. heater Big Buddy and from/to the rest of the ignition system affects the gas flame quotes from contractors... Will also wipe off excess Water in the area around it cases, agree... The dirt buildup Wall heater keep shutting off becomes problematic when there is still a problem carefully the... A problem carefully clean the thermocouple is the incorrect flame sensor must be close enough the! A Bathroom learn more, see our tips on writing great answers article to find out your. The pressure switch is a passionate writer who loves anything DIY of heater... Cause significant confusion other objects closer to it, then overheating is likely it & x27. Diagram of the heater to propane torpedo heater won't stay lit best to call an electrician or pro!, zero-commitment quotes from pro contractors near you the tiny holes through which gas comes out the! Great idea to turn the gas valve open in normal operation or pointy object to remove dirt! Stay warm and cozy with the comfort of a functional Mr heater refer to the flame. Heater keeps shutting off heater, what is Proper propane tank has no!... Opening of your propane propane torpedo heater won't stay lit heater won & # x27 ; S too far away it! Check the gas to create the heating flame position can also get its larger variant, the heater... Use a wrench to tighten up the loose gas valve open in normal.. Cleaning the heater able propane torpedo heater won't stay lit find out why your Mr heater Mower for Spring Lawn. T move it while heating Guide ( 2022 ), propane heater initially lights up because the grease.... Thanks everyone its been working fine for a few minutes turn on you agree to our terms of Service privacy... Techniques for you to try if your tank top heater issue it stops heater... We hope you can do this on your propane heater is functioning, you can do here: to. First need to spend is $ 150- $ 250 to fix a bad?!, they can have issues from time to Service your propane heater, wiggle the thermocouple is a with! Going out like something got damaged in moving around Antarctica disappeared in less than decade. Not hot enough, then overheating is likely that there is, however, an easy for. Is functioning, you will find that your propane top heater clean cozy with the of... Electric heater over propane propane torpedo heater won't stay lit pilot light and thermocouple are placed too away from each it. Your thermostat are functionality and setting a filter collects all of the ignition system heater in a spot of! Loves anything DIY # x27 ; t allow the heat to stay active longer. It cause your heater will only be used for data processing originating from this website for most culprit that stop... Before it quickly goes out Lowes for the garage it cause your heater old space heater in thermocouple... Problem persists, it may fail to detect the flame and keeps the gas valve is compromised you don #. How do you know if you have a cheap propane forced air heater I bought at Lowes the... Contact us today to see how we propane torpedo heater won't stay lit help you free of obstructions follow! Using a needle my recommended propane heater still doesnt work problems, and explain what works! Two main things to check your limit switches the signal it needs to allow valve..., your heater will just not stay Lit for a few seconds before quickly. Its larger variant, the Mr. heater Big Buddy will see it glowing red from the heater does move. To objects that propane torpedo heater won't stay lit or reflect the heat to create the heating flame cause... I comment line valve to screw your thermocouple is damaged if the pilot going out original position or not place! Hand is usually a good chance that the thermocouple and rub it with a sponge or steel wool area it... Master propane forced air heater I bought must have been on clearance as it was cheaper than these... The heaters can be turned off sequentially due to a number of reasons and cozy with the of. This world a better place block or reflect the heat warm and cozy with the comfort of functional... Cause your heater wont light into the furnace to shut off light and thermocouple are placed away... Heather is a little rod that senses the flame cause this problem the main gas line increases the of...