I have a front bedroom TT. The duct work that goes to the bedroom is small - maybe 1" it doesn't flow any air to speak of. It's the same size as the duct that terminates under the TT for the "heated" ...
Is this a floor duct, running in the basement? I was looking at mine yesterday actually, since a mouse decided to chew on the insulating material. The duct on my Kodiak is ~4" dia., same as the kitchen and living room floor exhausts.
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