A fireplace technician can identify if this is the case and resolve the issue themselves or by advising you to call a utility serviceperson. Your gas service pressure: if the gas service pressure is not set correctly, then your gas fireplace won’t remain lit.A few other reasons why your gas fireplace is shutting off could be because: If you’ve checked the common trouble sources like the pilot light, the thermopile, and the thermocouple, tested them, cleaned them, and even replaced them, and you’re still experiencing issues, then there’s a deeper issue at hand. By cleaning them, you may solve your fireplace problem. Unclean burner ports can cause the flame to be uneven and sometimes fail to ignite. You should also examine your burner ports, which can become clogged and dirty. If it’s less than 25 millivolts, then it needs to be replaced. The multimeter test can be applied to the thermocouple, too. If you’ve tested the thermopile and it’s fine, with a reading of 300 millivolts or higher, then turn your attention to the thermocouple. If it reads less, then the thermopile should be cleaned (turn off the gas supply and use a stainless-steel brush with fine-grit sandpaper), if the reading is still low, then replace the thermopile.Īnother reason your gas fireplace won’t stay lit could be the thermocouple. The multimeter should read 300 millivolts or higher. Place the multimeter on both spots, the TH/TP and the TP terminal.
#Small brush pilot light manual#
If you have trouble, you can turn to the manufacturer’s instruction manual for help. You’ll locate the main gas control valve, then the thermopile sensor which should have its electric contacts labeled (TH/TP and TP) on the valve itself. Make sure before doing so that the pilot light has been on for at least two minutes or longer-then switch off the pilot light. The thermopile can be tested with a multimeter where it analyzes the TH/TP contacts to determine how much electricity is being produced. While both parts are similar in the fact that they help convert deliver gas to the fireplace and convert heat into electricity, the thermopile does generate more of an electrical current in comparison.įirst, check your thermopile. The thermopile opens up this gas valve when the fireplace is switched on. The thermocouple is a sensor that measures the flow of gas and is responsible for supplying the gas to the pilot light through the valve. Knowing the difference between these two fireplace parts can mean a smoother, more streamlined fix in resolving your gas problem. If the gas fireplace still won’t remain lit, then it’s time to check the relative parts. If the problem doesn’t reside with the thermocouple, then it’s likely that the issues are stemming from a thermopile.īefore you begin replacing parts, first check to make sure the gas is turned on and supplied. There’s a possibility that this component has gone bad or is simply worn out from prolonged use. A fully yellow or red flame is an indication that the gas is contaminated.įixing the pilot light may just require that you replace the fireplace thermocouple. These sensors are the thermocouple and thermopile. The flame itself should be touching the sensors that surround it. The pilot light’s flame should be mostly blue with very little yellow color mixed in. This flame helps get your fire started so you don’t have to waste a bunch of kindling to catch the logs on fire to get it roaring. The pilot light, as you’re probably familiar, is the small blue flame that ignites when you turn a key or flip a switch. Sometimes, a gas fireplace suffers from the issue of the pilot light not staying lit. They’re trained, certified, and experienced. Gas leaks, explosions, fire, and carbon monoxide poisoning are all ramifications of a poorly executed gas fireplace fix. You’ll be working with a combustion appliance, and if the fix is done incorrectly, the consequences can be deadly. When a fireplace refuses to remain lit, there’s probably an issue in one of the several pieces that make up the ignition assembly, which are: the pilot light assembly, pilot tubing, thermocouple, and thermopile.īefore you embark on a DIY project to fix your gas fireplace, remember that if you’re inexperienced, it’s always better to call in a professional. A common problem with gas fireplaces lies in the components called the ignition assembly.
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