This one, perhaps? About 3-4" too long, if so.

http://www.rvpartscenter.com/ProductDetail.asp?PID=27556&SID=11&DID=84&CID=273

Karl

On 11/24/2010 7:44 PM, Don Hanson wrote:

>    I'll take a pic or two of the one in the pop- up camper.  Suburban.
>   We have one in a trailer, too...and that one IS pretty  big.  Had a
> motor home with a big one, too.   The one in the little camper is about
> 8" x 8", the exposed part and sticks out maybe an inch.. I think the
> cabinet it fits into is no bigger than about 16"...Neat little heater
> and it does put out lots of heat....but since it's controlled by a room
> thermostat and the thermostat is adjustable to regulate the Start/stop
> temps...you can make it cycle on as often as you like, depending on the
> temperature spread you tolerate.  It has two small (1/1/2-2"?) ducts and
> also puts out heat right from the front of the heater...  The main noise
> comes from the fan.
>
>    Now down in the Desert, winter camping around motor homes with big
> Suburban heaters, you can hear their heaters cycle on from about 1/4
> mile away on a quiet night...they back the heaters into a big
> compartment with louvers to the outside so they don't need duct work for
> the air intakes...You can hear the combustion chamber roaring as they
> burn up the propane...
>
>    Don Hanson