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Old 08-18-2004, 10:47 PM   #1
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1966 24' Tradewind
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Question why does the heat duct connect to the black water tank

i have a delema. my cold air return ( according to my manual) on my 66 tradewind goes into the black water tank area. why is this? since it is pulling air from this area to the heater to be heated it does not keep the tank from freezing as i once thought.

help i am very perplexed

jon
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Old 08-19-2004, 12:54 AM   #2
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Quote:
Originally Posted by jgouras
i have a delema. my cold air return ( according to my manual) on my 66 tradewind goes into the black water tank area. why is this? since it is pulling air from this area to the heater to be heated it does not keep the tank from freezing as i once thought.

help i am very perplexed

jon
Your confusion probably lies in the fact that the duct is for heat distribution , not return. It will supply warm air to the black tank to prevent freezing.
Mine has a flex hose that takes off just rear of the rear register. Return air is sucked in under the cabinetry.
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Old 08-25-2004, 11:42 AM   #3
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my confusion is based in my manuals (original owners manual) lack of confusion, which clearly states that those are cold air returns, not heat ducts. any further assistance would be much appreciated.

thanks
jon
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Old 08-25-2004, 11:49 AM   #4
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Quote:
Originally Posted by jgouras
my confusion is based in my manuals (original owners manual) lack of confusion, which clearly states that those are cold air returns, not heat ducts. any further assistance would be much appreciated.
Then your manual is wrong (it happens). There is a real simple test if your furnace fan currently works (LPG not needed for this test). Turn the furnace on and feel which way the air moves. I will bet you find air moving toward the black tank box.

Tom
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Old 08-27-2004, 03:25 PM   #5
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This thread is interesting. Can some one tell me if this is normal. When we fire up the furnace there is a considerable blast of heat that purs out the vent from the furnace compartment to the outdoors. We have a '78 Sovereign. The vent I am talking about is in the wall to the left of the furnace and goes directly out. the vent itself i next to the door. ?????????? D'Andrea
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Old 08-27-2004, 03:28 PM   #6
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Quote:
Originally Posted by Kalakala Too
This thread is interesting. Can some one tell me if this is normal. When we fire up the furnace there is a considerable blast of heat that purs out the vent from the furnace compartment to the outdoors.
If you are referring to the chrome vent on the outside of the trailer, that is normal. This is the waste gasses form burning the propane. In a normal home it goes up the chimney. You do not want that air in the coach, it contains CO (carbon monoxide) and could kill you
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