Problem: I have a bad igniter, is there any way to light a gas furnace manually? My family is cold please help!
The solution in an Emergency Situation: An Emergency situation would be a situation where your furnace ignitor goes out in the middle of the night, on the weekend, or on a holiday. It is super cold outside and you need to get heat from your furnace to protect your family and the pipes from freezing. We have had many customers who are cold and without heat over the years on the weekends or Holidays. They do not want to wait on a service tech or wait on shipping for a new ignitor. They need heat as soon as possible. I feel very sorry for them being without heat when it is really cold out! I decided I would include this YouTube video on how to light a gas furnace manually on our website. Below we have a YouTube video that shows how to manually light a furnace when the ignitor fails. I only provide this video because I do not want to see anyone be cold when they could actually have heat in their home. Changes in the video that I would make would be to (1) use a long wooden match instead of the lighter. (2) Make sure the match is burning when the draft inducer comes on. You must make sure the burning match is sitting in front of one of the burners before the gas valve opens. The worst mistake would be to allow gas to come into the furnace and then apply the match. This could produce a mini-explosion or fire! (3) You should control the furnace On/Off using the electrical switch (like a light switch) usually located on the side of the furnace. This way you are not depending on someone else to turn the thermostat up and down and you have immediate control of the furnace. The match needs to be burning and sitting in front of one of the burners before the gas valve opens. Please remember the gas valve is only going to be open for 7 to 10 seconds and if the flame sensor does not sense the furnace flame then the gas valve will shut off until there is another cycle. Below we have one YouTube video that shows how to Manually Light a Gas Furnace when you have a bad igniter. The video was made by Chris Swain. Thanks to Mr. Swain for making this informative video. I hope this will save you from having a cold home.
Please send us your furnace’s model number if you would like for us to use one of our online parts programs to recommend a replacement ignitor for your furnace. On Bryant Carrier furnaces we will need the product number. On Rheem Ruud, we will need both the model number and serial number. For all other furnaces, we need just the model number. Our email address is email@example.com. Please click here if you would like to see the furnace ignitors we sell.
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