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Old 09-24-2011, 08:52 AM   #15
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1980 31' Excella II
Springfield , Illinois
Join Date: Mar 2010
Posts: 56
Bought my new furnace from Andy at Inland RV Center and got the great service that I have come to expect from them. The more I find to repair in my AS the more I am happy with Andy's service.

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Old 09-24-2011, 09:26 AM   #16
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Inland RV Center, In's Avatar
Corona , California
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Originally Posted by edglenn View Post
OK. Thanks.
I looked at the Suburban NT 30's and NT 40's on EBAY.
I didn't see any info on my exisitng unit for the BTU's.
Is there a rule of thumb for BTU range?
It's a 27' Overlander. Is 30,000 BTU's too much?
For a 27 foot Airstream, the 30,000 to 32,000 btu furnace, is perfect.


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Old 09-24-2011, 07:44 PM   #17
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1981 31' Excella II
New Market , Alabama
Join Date: Sep 2011
Posts: 5,706
So any you got any tips of how to remove one of these sucker and check out all the components. First of all how is it bolted in there? I can see hoses running in just about every direction, left, right, under the floor etc. Even if I knew it was in good shape I would take it apart to get all the rat droppings out of it.

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Old 09-24-2011, 07:56 PM   #18
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1967 26' Overlander
Winston Salem , North Carolina
Join Date: Oct 2007
Posts: 523
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If you have that feeling in the gut, replace it.

Every unit needs a carbon dioxide detector, smoke detector and a fire extinguisher..
Winston Salem, NC
WBCCI 5218,
Corresponding Secretary Piedmont NC Unit 161,
1967 Overlander International.
1979 Avion 30ft rear bath
TV's 88 Chevy Suburban 454, 3:42, TH400
95 Cadillac FW Brougham, LT1,3:42, 7k tow pk.
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Old 09-24-2011, 08:16 PM   #19
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1981 31' Excella II
New Market , Alabama
Join Date: Sep 2011
Posts: 5,706
Well I still have to take it out of there. If the heat exchanger is not cracked I can fix it. It is not a high priority item other than being able to clean under there.

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Old 09-24-2011, 09:17 PM   #20
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1977 31' Sovereign
Riverhead , New York
Join Date: Aug 2006
Posts: 3,008
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My original was working but getting noisy and just old, I have detectors but still just wanted a new one.

Did it last fall

What a huge difference quieter by far, cycles less, heats much faster, uses less propane.

Well worth it.
'77 Sovereign Intl 31' CB
WBCCI R2 Rep VAC 11411 Metro NY VP

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Old 09-24-2011, 09:28 PM   #21
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1981 31' Excella II
New Market , Alabama
Join Date: Sep 2011
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Well I don't need it at this time. It is way on down the list of priorities for me right now. The AC unit I have has a heat pack in it so no real need for the furnace as long as we are camping in parks and not boondocking. We don't plan on Boondocking right now. I need to get the floor back in and new tires etc.

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Old 10-03-2011, 07:15 PM   #22
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1969 27' Overlander
Albuquerque , New Mexico
Join Date: Sep 2011
Posts: 168
Suburban OEM furnace & replacement

I decided to order a replacement furnace for my '69 Overlander, just to be safe.
After I ordered a 30,000 BTU unit, I pulled the old one and examined it.
It's in great shape! The PO had replaced the heat exchanger. It's almost brand new. I haven't tested the motor, but I think the unit's fine.
Other than being a pilot light instead of electronic ignition, the unit has plenty of life left.
Are OEM furnaces worth anything? Should I put it on EBAY, or keep it as a spare? What do original Suburban furnaces go for?
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Old 10-13-2011, 05:04 PM   #23
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1974 31' Sovereign
Ottawa , ON
Join Date: May 2008
Posts: 11,216
Images: 25
Just bought a brand-new Suburban NT30SP for an incredible price. Good service, too!

LDV, Inc.
“Courage is being scared to death, but saddling up anyway.”
...John Wayne...........................
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Old 10-13-2011, 05:10 PM   #24
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Vintage Kin Owner
1977 31' Excella 500
Berkeley Springs , West Virginia
Join Date: Sep 2005
Posts: 1,620
Images: 7
Well mine was 22 years old and the blower motor was corroded. The rest of it looked brand new. $110 later for a new blower motor (it's freaking nuts how much a 12v motor costs....) and she's ready to rock for another 22 years! The whole thing looks brand new now and works like a charm. Just keep the wasp nests cleaned out of the exhaust
- Jim
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Old 10-13-2011, 05:37 PM   #25
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1972 29' Ambassador
grants pass , Oregon
Join Date: Jun 2011
Posts: 261
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Blog Entries: 2

Is there any way to figure out what year your furnace is ? Looking at the furnace in my 1987 Avion 32S,its looks very clean and newish,and it meets some 1993 criteria ( so I am happily assuming its not the original),but there is no date anywhere on the label.

1972 Ambassador Itn'l 29'.Custom Interior

1987 Avion 34X

1985 Avion 30R
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