Well, I decided to not wait until
it gets cold out and try and do some
matinence on my natural gas furnace
while the weather is warm.
I cleaned out the fire box, and cleaned the
gas jet, replaced the thermocouple and
The pilot light stays lit, and everything
seemed fine until I turned up the thermostat. The firebox lit up, but not
before a large back-flash shot out behind
the gas unit. After the flash died, the furnace was running fine.
Needless to say, I don't want fire shooting
out the back every time the furnace kicks
So far, nothing is adjusted for flame color
and venting. Will this go away after the
air mixture is correct, or am I missing
" The only stupid question is the one
never asked --- except that one!"
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