Thanks a ton. I got a new switch installed a couple weeks ago before I headed out of town and its working good so far. I just got the OEM one put in though. Thanks for the help!

I really appreciate your help, I am currently having trouble with my pressure sensor. In the last few days my furnace has failed to ignite due to a "Pressure switch is open" failure. It has tripped due to this error 3 or 4 times in the last 3 days. the induction fan is running, but the fur...

We took the cap off the chimney and found that it was really rusted and bits had even broken off. They replaced that part becuase they thought that exhaust gases were getting from the exhaust into the intake and recycling back to the burner causing bad combustion. After reaplcing the whole chimney s...

Thanks, I will check when I'm home and see if it solves the problem.

Much appreciated.

When we pulled the burner assembly they checked out the orifice, but never detached it from the assembly or specifically cleaned it out. Should I detach it and blow some air through. I kept mentioning the orifice to the techs but they didn't seem to think it could be the problem. Didn't pull the ter...

I have an Intertherm M1MB 070A AW furnace in my mobile home. I have had a few technicians come look at it and the problem is still happening and I am in desperate need of help. So, my furnace ignites the flame looks alright, then after the blower kicks on the flame seems to struggle(goes weak) and e...

I just had my furnace fail, had to call a tech and got it all figured out. Wasn't much time for guesswork since it was -35 outside. Anyways, I was looking through the site trying to learn a thing or two and lots of the problems with not lighting (which is what I had) are due to the orifice. *Warning...