Well, I had someone come by because the weather is getting cold here. It looks like the combustion motor was bad. Thanks guys!

Ok. I cleaned the orifice and sensor rod. The furnace has a flame for ~2 seconds and then drops out. I do not know what the combustion air pipe is so that has not been checked. Also I have the air switch out completely since I am using a toggle switch to skip it right now, that means the 2 tubings a...

Here is what I'm working with:

Also, should I feel blowing or suction from the tube coming from the combustion motor?

Do I need to open it up to check the combustion wheel?

I have hope!

I do have a "sensor rod" as the diagram calls it. So I will clean that if I can get it out. Where exactly is the combustion air pipe? Would you happen to know the best way to remove the gas valve so that I can reach all the "internal" things? Thanks! PS: I hope your health issues...

Well my combustion pressure switch came in. I think they may have sent the wrong one. I ordered: 1 Coleman Furnace Air Pressure Switch 024-27666-000 -0.15. They sent: Honeywell pressure switch (S1-32435972000). For use with models: DGAA & DGAH. I am about ready to just call someone to fix this. ...

Some help please.

Hey guys, great site. I have been working on my furnace for a day or two and need some help. I have an Evcon DGAT075BDF that is in need of help. The AC worked fine but when I went to turn the heater on...no dice. I was getting 3 flashes (Combustion air switch failed to close). I replaced the combust...