![]() The multimeter should read 300 millivolts or higher. Place the multimeter on both spots, the TH/TP and the TP terminal. 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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