Gas Fireplace Pilot Light On But Won’t Ignite: Troubleshooting

A wide range of fireplaces exist nowadays but in terms of convenience, gas fireplaces have few competitors on the market. Compared to traditional fireplaces, gas fireplaces have multiple advantages: aesthetics, consistent heat, no-nonsense maintenance, … As a result, gas fireplaces prove popular among homeowners who want to stay warm as the temperature takes a plunge. That being said, nothing is perfect and the appearance of complaints regarding issues like gas fireplace pilot light on but won’t ignite is proof.

How To Analyze Malfunctioning Gas Fireplaces 

Enviro G42 Gas Fireplace

So your fireplace is unable to ignite even though its pilot light is on and you don’t know why? If that happens to be the case, this article is going to be of use to you. Down below is an in-depth guide on troubleshooting gas fireplaces that experience ignition difficulty

Step 1: Check Out The Valve 

To put it plainly, the gas valve is there to regulate the amount of gas that reaches the gas fireplaces in the course of operation. Needless to say, if the valve runs into problems, the performance of the fireplaces would suffer. That is why one of the first things to check once it comes to ignition troubles on gas fireplaces is the valve. On occasions, someone may have closed the valve and forgotten to reopen it but you should prepare for worse scenarios: stuck valve, damaged valve, etc.

Step 2: Inspect The Vent Cap

The purpose of the vent cap is to stop wind from blowing out the pilot light of the gas fireplaces. However, as time passes by, the vent cap could loosen which let cold drafts flow through the gas fireplaces. In that case, the odds of pilot light of gas fireplaces going out every now and then tend to increase considerably. Hence, if the pilot light of your gas fireplace keeps going out as you relight it, give the vent cap a look and re-secure/replace it if necessary.

Step 3: Take A Look At Gas Line 

For your information, moisture can build up on the gas line of gas fireplaces and that dilutes the flow of gas. If that occurs, the pilot light may be on but the gas fireplaces would still have a hard time igniting the gas in use. You suspect that moisture in the gas line is behind your issue of gas fireplace pilot light on but won’t ignite? Then it’s strongly recommended that you remove moisture from the gas line using a low-temperature separator.

Step 4: Examine The Thermocouple

Essentially, the thermocouple is a sensor that manages the operation of the gas valve by sending out small electric current. If the thermocouple works as designed then the gas valve should open/close smoothly but if it acts up, expect a multitude of troubles. To determine whether the thermocouple of your gas fireplace is in working order, use a multimeter. In the case that the reading is less than 25 millivolt, you have to pick up a new thermocouple as soon as possible.

Step 5: Purge The Pilot Tubing

Insects, debris and so on could get into the pilot tubing of gas fireplaces which leads to problems with ignition. Thus, if your gas fireplace is unable to ignite following a period of inactivity, it’s suggested that you purge the pilot tubing. Different models have different procedures but usually, homeowners would be able to purge the pilot tubing by holding down the pilot button for several minutes. When the purging wraps up, your gas fireplace is going to resume operation with relative ease.

Maintenance Of Gas Fireplaces: Tips And Tricks 

Gas Fireplace Installation in Southern Maryland

In the course of operation, gas fireplaces inevitably develop a number of hiccups that interfere with performance. Nonetheless, by taking certain precautions, you could minimize the odds of issues like gas fireplace pilot light on but won’t ignite happening.

  • Vacuum the interior periodically: All sorts of things could get into the interior of gas fireplaces and cause troubles if left unaddressed. That is why you should vacuum the interior of your gas fireplace from time to time to keep it clean.
  • Wipe clean air cavities: In layman’s terms, the air cavities of gas fireplaces dictate the amount of air that reaches the interior. Want to get the most out of your gas fireplaces? Then you should put together a cleaning schedule for the air cavities.
  • Turn off pilot light during warm weather: The less you use the pilot light, the longer it lasts. Therefore, it’s widely advised that you turn off the pilot light of your gas fireplaces in months with high temperatures. By doing so, you not only extend the lifespan of the pilot light but also cut down utility bills.
  • Conduct regular inspection: In general, gas fireplaces have straightforward operating principles but issues may still occur. Because of that, you must assess your fireplace once in a while for signs of problems. You could avoid various headaches with your gas fireplace if you take care of its troubles at an early stage.

FAQs

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Is it safe to touch the glass of gas fireplaces?

In case you don’t know, the glass of gas fireplaces is responsible for keeping the interior airtight which enhances burn efficiency, seal exhaust, etc. Due to the amount of heat coming out from the interior of the gas fireplaces, the glass could get very hot. As a result, it’s a good idea to stay away from the glass of gas fireplaces so you don’t sustain burn injuries. If you want to clean the glass, shut down your fireplace, wait a couple of hours then remove the glass for cleaning.

Could I leave my gas fireplace on overnight?

All in all, assuming that you maintain your gas fireplace properly, you can leave it on overnight. However, accidents happen and it only takes a minor leak for gas fireplaces to fill the room with carbon monoxide. Hence, for your own well-being, turn off your gas fireplace before going to bed.

How much gas do gas fireplaces consume?

The amount of gas that gas fireplaces consume depends on quite a few factors but the BTU rating is the decisive one in most cases. As the BTU rating of gas fireplaces rises, the gas consumption increases accordingly. Nonetheless, you should consider checking out the owner’s manual and customer reviews to get a full picture of the gas consumption of a gas fireplace.

 

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