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Old 06-18-2013, 11:01 AM   #1
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1972 23' Safari
Huntland , Tennessee
Join Date: Oct 2010
Posts: 1
air conditioner

I have a 1973 23' airstream safari and it needs a new air conditioner. My son is an electrican and thinks he can install it. Will a coleman mach 3 13,500 btu with heat fit an airsream? My husband hates my camper and isn't much help. I fell in love with it and have been working on it off and on. Please can someone help me with the correct information for a new ac. Pipedream (Ann) Thanks.

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Old 06-18-2013, 12:31 PM   #2
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1956 22' Flying Cloud
1953 32' Liner
1955 22' Safari
Valley View , Texas
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It will fit. Whatever you get be sure that it connects to a drain line system so you don't end up with water all over the side of the Airstream.

"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."
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Old 06-18-2013, 12:42 PM   #3
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1972 31' Sovereign
Lexington , Minnesota
Join Date: Feb 2009
Posts: 3,371
Hi Ann,

Pretty much any new roof mounted RV a/c unit will fit ok. But, all of them will need to have the roof modified to support them in your '72. The old a/c is large enough that it sit on top of the ribs both in front of the a/c and the rib directly behind the a/c. New a/c units clamp on the 14 x 14 inch roof vent opening, and your opening has absolutely no structure around it at all. Just the roof aluminum skin and the ceiling. Also, if you don't want the condensate water running down the outside fo your airsteam, then you'll need an Airstream drip pan or a drip cup option for the a/c to connect to the drain tube that runs from the current a/c down inside the wall. If you let the condensate run down the outside of the trailer, you'll end up with a nasty looking water stain within a short time.

Do you have an airstream dealer close by that you can talk to them about the drip pan? That's what we did for our new a/c. We ordered the whole kit from the local Airstream dealer.

Regarding supporting the a/c on the roof, some folks built aluminum bracing around the opening and others have used wood. We used wood, and it worked very well. Do not use treated wood as it will corrode the aluminum. The frame we made is shown in our thread at post 364 here:

Also, when you remove the old unit, you'll have a bunch of screw holes to fill. We drilled them out and used olympic rivets to fill them.

Hope this helps.

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