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Old 12-09-2010, 09:12 PM   #57
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Originally Posted by flatwallet View Post
Take a look at aheat.com these things are great
aheat.com is not a live link on the internet. I'll repeat Jammer's request and ask for a better connection to any info. flatwallet, how does this connect to RV systems?

More info is gooder...
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Old 12-10-2010, 01:26 AM   #58
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Most. Informative. Thread. Ever!
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Old 12-10-2010, 09:00 AM   #59
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2 Air where do you install the cat in the bedroom?

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Originally Posted by 2airishuman View Post
the small everstar is a nice idea, but it will take up a lot more space than a surface mount cat.

maybe theres room under one of the beds or in the center nightstand for the small furnace.

the cat i like (used for 20 yrs) has both fresh and exhaust venting options...

it's a small company and it takes a good long while to get a unit now...

http://ventedcatheater.com/6.html
2 Air where do you install the vented cat in the bedroom?
How high up off the floor? And where do you vent it? I read the
info on the site and there are multiple options for venting it?

Did you install the small or big one in the bedroom?
Where is the second one installed? Near the door?

Many thanks,

Lin.
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Old 12-10-2010, 12:00 PM   #60
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Really? Where do they enter the tank areas and how are they attached. I guess I kinda thought it (one) just hung down there where the pump pickup is and blew willy nilly into a cavity. Thanks for the heads up on a rodent entry point that I didn't know was there. How can I get to it? Behind the drawer under the sink?
Both the 2" ducts to the tank area, just hang down below the belly and are open at the end.

If I remember correctly, the easiest way to get to it is to remove the drawers below the microwave. There's another hole in the floor there, much like the one below the closet.
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Old 12-10-2010, 12:36 PM   #61
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Both the 2" ducts to the tank area, just hang down below the belly and are open at the end.

If I remember correctly, the easiest way to get to it is to remove the drawers below the microwave. There's another hole in the floor there, much like the one below the closet.
Thanks, Did you fashion some sort of closure panel to block of those holes in the floor? It seems to me that a lot of the het intended for circulation within the tank areas would just find it's way back up into the trailer. If so, what did you use?
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Old 12-10-2010, 12:52 PM   #62
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I left it alone and don't plan to change it.

I don't know exactly what's down there, but the basic strategy of having the duct pointing down and letting the return air rise through the floor seems sound. There has to be some path for the air to get back to the furnace, and since the inside of the kitchen cabinets more or less serve as one big return plenum for the furnace (with maybe 2/3 of the air coming through the opening below the sink cupboard and 1/3 coming in through the louvers around the microwave), it's a reasonably functional design. The air has to go somewhere and closing it off would probably lead to it mostly blowing outside.
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Old 12-10-2010, 01:19 PM   #63
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There was another discussion relative to desired airflow to warm the tanks in the Classics. I was told that the airflow would be curbside fresh water tank (of course where the ducts enter), around the fresh water tank, through the punch outs in the frame member between the tank enclosures, into and around the black and gray tanks, finally exiting the bulk of it around the sewer pipes and valve pull handles. Of course there are plenty of leaks along the way. If we have most of that air simply returning through the hole from which it came, we're not doing much to prevent freezing, particularly black and gray valve area, are we?

However, to your point, with all that air from two 2" ducts not returning to the trailer interior, we'd be sucking more outside cold air in through...well everywhere, making the interior harder to heat. Hmmmmmm.
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Old 12-10-2010, 01:55 PM   #64
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The current service manual doesn't have a drawing but from the parts list it seems like the basic arrangement is unchanged since the 1970s or perhaps earlier.

In essence the tanks are insulated with styrofoam on the sides, ends, and bottom, and the duct just provides the idea of some heat over the tops.
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Old 12-10-2010, 02:09 PM   #65
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The current service manual doesn't have a drawing but from the parts list it seems like the basic arrangement is unchanged since the 1970s or perhaps earlier.

In essence the tanks are insulated with styrofoam on the sides, ends, and bottom, and the duct just provides the idea of some heat over the tops.
I thought I had seen, somewhere, pictures that showed there were a few channels or gaps in the foam sheets where air can move from side to side and end to end in the tank compartments. Not so?

I guess you have to be at Jackson Center on a Friday to see frame flipping and fitting. I was there on a Thursday. Has anybody seen Classic inerds?
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Old 12-10-2010, 02:11 PM   #66
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Or, I should say frames partially built up...nobody there on Friday to flip and fit!
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Old 12-10-2010, 02:19 PM   #67
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When I replaced the furnace in the Excella, located under the stove near the entry door, there was a 2"hose going through the floor, attached to the old furnace just behind the removable panel. I cut a hole in the new furnace so that that hose could be attached just like the old furnace.

Now I am wondering just where that 2"hose goes. I know for sure that it doesn't furnish warm air to the 50 gal fresh water tank located between the axles, as that tank has it's own steel cover and there is no hose to it. Does that hose or the heat from it somehow get clear to the rear of the trailer to heat the gray and black tanks, or does it just warm the floor under the living room?
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Old 12-10-2010, 03:01 PM   #68
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When I replaced the furnace in the Excella, located under the stove near the entry door, there was a 2"hose going through the floor, attached to the old furnace just behind the removable panel. I cut a hole in the new furnace so that that hose could be attached just like the old furnace.

Now I am wondering just where that 2"hose goes. I know for sure that it doesn't furnish warm air to the 50 gal fresh water tank located between the axles, as that tank has it's own steel cover and there is no hose to it. Does that hose or the heat from it somehow get clear to the rear of the trailer to heat the gray and black tanks, or does it just warm the floor under the living room?
Don't know, I believe Jammer's and mine would have that duct disappearing through the floor ahead of the front of the fresh tank too, if the hole is behind the microwave. I haven't seen it yet. Jammer? What do you think?
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Old 12-10-2010, 03:49 PM   #69
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I'll take a look tonight and post back.
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Old 12-10-2010, 04:46 PM   #70
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I just have a comment:

Our 31 has a heat vent in the bedroom.

However since you have the twin beds, I am guessing that is why you don't. Our is a queen.

The vent is on the wall between the storage drawers that are just aft of our closet and the bedroom. In other words, just to the curb side of the bedroom door.

Ken
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