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PeeWee57 · Aug 31, 2009, 06:07 AM

I have a camper that the furnace exhaust comes out of the trailer on the side we have a screen room. It is impossible to sit there when the furnace is on due to the exhaust.
My question is can I pipe from the exhaust hole approx 1 1/2" diameter to a 4" exhaust pipe and use an 90 degree elbow at the site and pipe it straight up and through the roof of the screen room. I know it needs to be 4" (at least) but does it need to be insulated pipe?

Thanks in advance, with fall weather coming I would like to complete this project this upcoming weekend.

PeeWee57

hvac1000 · Aug 31, 2009, 10:30 AM

The exhaust blower in the furnace of a camper is only designed to work in free air. By attaching anything to the exhaust will create back pressure and furnace problems.

PeeWee57 · Aug 31, 2009, 10:32 AM

Is there nothing I can do to reroute the exhaust?

hvac1000 · Aug 31, 2009, 02:32 PM

Nothing that I would see as safe. I understand the problem but you will be better off turning off the furnace while you are sitting in that outside screen room.

wmproop · Aug 31, 2009, 06:21 PM

Is much easier to move the screen room

mygirlsdad77 · Aug 31, 2009, 06:34 PM

I agree,, camper furnaces are designed specifically for the camper they are in. Exhaust and intake are not to be modified in any way.