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Old 05-15-2015, 10:04 AM   #1
1 Rivet Member
1977 31' Sovereign
monroe , Michigan
Join Date: Oct 2006
Posts: 8
Replacing furnace

Has anyone replaced a nt30m furnace with a nt30 sp in. Airstream trailer. These are surburban furnaces. Thanks Don

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Old 05-15-2015, 10:31 AM   #2
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1981 31' Excella II
New Market , Alabama
Join Date: Sep 2011
Posts: 5,280
Mine was an NT30 of some type and I replaced it with the NT30SP. Pretty much a drop in replacement.


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Old 05-15-2015, 11:59 AM   #3
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1982 31' Airstream 310
champaign , Illinois
Join Date: Jun 2013
Posts: 1,935
Yep, exact same size
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