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Old 05-28-2007, 12:08 PM   #29
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1977 31' Sovereign
Manchester , New Hampshire
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Crossover tube? where is that

Originally Posted by NewStreamer
I just read in an old (92) AS Caravanner magazine a recall for all Furnaces made from 66 to 77.
Campaign : 77E-012 initiated summer of 77
Campaign : 81E-015 initiated winter 81-82
The furnaces were models NT-17, NT-20, NT-22 and NT-30 manufactured between 66 & 70 The serial numbers were 0064881 and lower.
Also Furnaces made between 1970 & 1977 except those with an "M" suffix, The serial numbers are: 0064881 through 0715865
The recall specifies:" if the model and serial number of yr furnace falls within those noted, have it inspected unless you are VERY SURE the Suburban recall has already been completed on your unit"
The furnaces in question have a rubber-like crossover tube that could crack . Extremely dangerous carbon monoxide would then be expelled into the interior

Cross over tube?? where would that be at

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Old 05-28-2007, 12:25 PM   #30
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2006 25' Safari FB SE
St. Cloud , Minnesota
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I see any number of furnace threads by searching on plenum. See what you can find. Avoiding carbon monoxide poisoning isn't a pictures & words project. There may be no second chances. Tackle it only if you have the expertise.


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Old 05-28-2008, 08:06 PM   #31
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1968 22' Safari
Kalamazoo , Michigan
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I have a 1968 Safari that has a Suburban NT-22a furnace that has the following serial number: B-10021. Is this furnace part of the infamous NT-22 recall?
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Old 04-15-2009, 10:35 PM   #32
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1975 25' Tradewind
Vernon , BC
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Upgrading NT22 furnace

I am replacing the Suburban NT22 furnace in my 1975 Trade Wind Land Yacht. What is the best replacement furnace to use? i've heard bad things about the NT22. It would be so nice to get a replacement that slides right in wouldn't it.
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Old 10-18-2015, 09:30 PM   #33
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... bump ...
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Old 11-21-2015, 09:26 AM   #34
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1974 31' Sovereign
clark fork , Idaho
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Ok, I see I asked the right group. Thanks. I have all the original parts manuals and purchase and repair orders from the PO. I think I can find what I need and get a replacement or even a solid inspection. The AS looks like it was hardly used and it obviously didn't leave home often. I'll post pix when Mr. Nikon comes home from his factory cleaning and repair.
thank you all so much.
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Old 11-26-2015, 03:29 PM   #35
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Still Going Strong after 48 years

Originally Posted by nrgtrakr View Post
... bump ...
I commented earlier in this thread about what the Suburban Recall entailed.

FWIW, we just returned from the campground this past weekend after letting my Overlander's original furnace keep us warm in near-freezing weather.

It's hard to keep a good furnace down.


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