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dewfourmt · 01-04-2011, 06:26 PM

The cool air enters the top and sides of the top of the furnace and does not use any duct or hose.(This is the basic answer)
I have a 2006 mod 3400RL so yours may be different, but concept is the same.

01-04-2011, 06:26 PM	#2
dewfourmt New Member Join Date: Apr 2008 Location: missoula Posts: 5 M.O.C. #8383	The cool air enters the top and sides of the top of the furnace and does not use any duct or hose.(This is the basic answer) I have a 2006 mod 3400RL so yours may be different, but concept is the same.