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Old 11-09-2007, 04:35 PM   #1
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1986 34.5' Airstream 345
Tyler , Texas
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Rear furnace ?s

Hi! In checking the heat in my 86 345 I noticed that the rear furnace ( Suburban 16 or 20 SE) has 3 ducts...one to the water tank compartment, and 2 to grills in the wall. The front grill on the face of the unit has louvers of which only 1/2 are open. The unit sits on the floor and the front grill is 1&1/2 inches below the actual opening in the cabinet which forces air back into the cabinet rather than out into the coach. Since the front grill is open I have very little air coming from the ducts. Should all of the louvers in the grill be closed in order to force air through the ducts or should I close the ducts so that all of the heat is forced to the front grill of the furnace.
Thanks,
Pete
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Old 11-09-2007, 05:52 PM   #2
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I checked mine...
Front is air intake.
Does air blow out the front on yours?
I don't have the duct to WH either...good idea though.
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Old 11-09-2007, 06:01 PM   #3
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our ducts

one blows out at the foot of the bed and one exhausts into the bathroom, not sure about the water tank but I know we did not freeze anything in 16 degree weather last January in sunny southern California!
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Old 11-09-2007, 08:15 PM   #4
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1986 34.5' Airstream 345
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Furnace?

Mine blows out the front grill and not thru the ducts since all of the air goes out the grill...my question is should the front grills be closed if I want air to come out of the duct work?
Pete
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Old 11-09-2007, 08:21 PM   #5
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Most of the Suburbans I have worked on that are used in ducted applications have a metal cover that is part of the casing that totally blocks the airflow from going out the front of the unit, thus forcing it thru the ducts.

If you open your decorative cover, you should see a metal plate totally covering the furnace. If this is missing or not properly attached, this might be the cause of your air leakage.
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Old 11-09-2007, 08:25 PM   #6
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Quote:
Originally Posted by str8strm
one blows out at the foot of the bed and one exhausts into the bathroom, not sure about the water tank but I know we did not freeze anything in 16 degree weather last January in sunny southern California!
Ron - We are all scared with memories of that rally.
Remember, It never rains in California, it snows!
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Old 11-09-2007, 09:41 PM   #7
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Quote:
Originally Posted by azflycaster
Ron - We are all scared with memories of that rally.
Remember, It never rains in California, it snows!
Richard:
Without that snow, we never would have seen your Fire Dancer and the whole tenor of CA Streamers Rallys just wouldn't be the same. But man it was cold wasn't it?
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