Originally Posted by Ptcbanker
Okay a little further investigation... I called my dealer and they said there should be a strong flow from the br vent. I checked it a little more and there actually is a little bit of flow. It felt like it was taking air in but it actually blows air out just very light. Probably have a kinked duct. That's not going to be a cheap warranty repair since it'll require opening the enclosed belly.
Hmmmm, you got me thinking, so I looked at mine
again. Our campers may not be exactly the same
as I first thought, but here is what I saw in mine.
The bedroom vent is simply a hole in the wall between
the bedroom and the "under sofa" area where the furnace
sits. There is a louver - but no filter - over the bedroom
"vent". It is not really a vent as there is NO duct work
connected to it at all. What happens is that the furnace
draws in room air from under the sofa. That air comes
from the bedroom "vent" and from normal openings around
the sofa. There is NO provision to pump output air to
the bedroom. With the leakage of output air that I found,
some of that _might_ have shot out the bedroom vent
instead of being sucked back into the furnace air inlet.
Seems like an accident of sloppy design and/or construction
though. If it happened at all.
And, of course, there seems to be no way to add an inlet
filter that would have any chance of working. The furnace
draws air in from the side, top, and combustion chamber
end - no way to add an inlet duct without totally reworking
the outer case......