How to Light a Gas Furnace With Electronic Ignition

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A gas furnace with electronic ignition doesn’t have a pilot light. Instead, it has an igniter that gets hot enough to ignite the gas when the furnace is turned on. If your furnace isn’t working, you need to know how to light a gas furnace with electronic ignition.

A gas furnace with electronic ignition is one of the most popular types of furnaces on the market. And for a good reason – they are incredibly efficient and easy to use. But if you’ve never had one before, the process of lighting it can seem a bit daunting. That’s why we’ve put together this step-by-step guide on how to do it, as well as some safety tips and mistakes to avoid.

The process to know

Electronic Ignition

 

  • Locate the igniter switch. This is usually located on the control panel near the thermostat.
  • Set the thermostat to the desired temperature. Make sure that it is set to “heat” mode and not “cool” or “off.”
  • Flip the igniter switch to the “on” position. You will hear a clicking noise as the igniter begins to heat up.
  • Once the igniter is hot enough, it will ignite the gas coming from the furnace. You will see a small flame appear in the burner chamber.
  • Allow the furnace to run for a few minutes so that all of the gas is burned off. Then, you can turn off the igniter switch and enjoy your cozy, warm home!

Safety Tips: 

  • When working with any type of gas appliance, always make sure that there is proper ventilation. Open a window or door near the furnace so that any fumes can escape. 
  • If you smell gas at any point during this process, stop what you are doing immediately and evacuate the area. Do not attempt to light the furnace if there is a gas leak – this could result in an explosion. 
  • If you have any concerns about your ability to light your furnace safely, please contact a professional HVAC technician for assistance. 

Mistakes to Avoid: 

  1. One of the most common mistakes people make when lighting their furnace is not waiting long enough for the igniter to heat up before flipping on the gas valve. If you do this, you will likely see a large flame come out of the furnace instead of a small one – this is very dangerous and can damage your furnace.
  2. Another mistake people make is not setting their thermostat to “heat” mode before attempting to light the furnace. If you forget this step, your furnace will not turn on at all. So be sure to double-check that your thermostat is in heat mode before proceeding. 
  3. Finally, some people try to light their furnaces without opening a window or door for ventilation purposes. Again, this is extremely dangerous and should be avoided at all costs! Proper ventilation is essential when working with any type of gas appliance – so always remember to open a window or door before getting started. 

Conclusion: 

By following our simple step-by-step guide (and avoiding common mistakes), you’ll be up and running in no time.

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