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Old 05-27-2022, 11:21 AM   #1
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2010 23' FB Flying Cloud
McMinnville , Oregon
Join Date: Sep 2009
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Water leaking from AC unit

Good Morning from Oregon,
We have a 2010 fb23í Flying Cloud with one AC unit on the roof. This was before they ducted the AC. The problem we have is that occasionally when the heater or AC are running, the unit will spit water on to the floor. My usual solution is to just put a pan on the floor and ignore. But of course my wife keeps pointing out that it is a problem. As usual, she is right.
There must be a drain tube somewhere that is plugged. Iíve removed the cover inside the trailer but do not see any kind of pan or drain to clean out. I also looked under the trailer to see if I could find a drain tube. I canít see one. Any suggestions?
Thanks, Cameron
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Old 05-27-2022, 11:57 AM   #2
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1997 28' Excella
Daniels , West Virginia
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Cameron,
On my 1997 Excella the drain tube is black 1/2 inch located on street side about 30 inches forward of the front tire. Hangs down about 4-6 inches.
When you locate yours you might try a length of nylon trimmer string to clear.
Good luck
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Old 05-27-2022, 12:44 PM   #3
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2022 27' Flying Cloud
North Las Vegas , NV
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About 20 mins in they talk about it:
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Old 05-27-2022, 01:20 PM   #4
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2010 23' FB Flying Cloud
McMinnville , Oregon
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Thanks Rich, I can’t for the life of me find that drain.
Cameron
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Old 05-27-2022, 02:07 PM   #5
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2007 27' Safari FB SE
NW Oregon in a nice spot , Oregon
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Granted mine is a 2007, but the drain tube is drivers side front of the wheel well. About 2 inches from the outside wall and 4 inches back from the front of the wheel well.
Good luck!!
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Old 05-27-2022, 08:05 PM   #6
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2010 23' FB Flying Cloud
McMinnville , Oregon
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Thanks, I’ll have another look for it tomorrow. Would really like to find that sucker.
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Old 05-27-2022, 11:43 PM   #7
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2005 25' Safari
Salem , Oregon
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Air Conditioner dripping on the floor.

Hi, go to "Air Conditioner dripping on the floor" to see how I stopped mine from dripping.
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Old 05-28-2022, 10:07 AM   #8
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2016 30' Classic
2009 25' FB Flying Cloud
Dade City , Florida
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AC Unit leaking water

This has happened to us also. Easy fix is to locate the drain by the tire well and connect an air air pump to the drain tube. Run the pump for a minute or so and this usually clears the drain. I use a small electric air pump and it works great.
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Old 05-28-2022, 01:13 PM   #9
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2007 25' International CCD FB
Glen Allen , Virginia
Join Date: Oct 2020
Posts: 22
AC unit dripping on to the floor

We have 2007 25FB and had similar issues.
When the AC was running we would have water dripping from the AC unit on to the middle of the floor.

I removed inside AC unit plastic shroud and traced the leak to the drain cups on the bottom of the AC unit.
The cups catch the condensation and are connected the drain hose
going the wheel well. The problem was that the cups had cracked and leaked.

Your options are to replace the cups or repair the cracks.

I used JB weld to "glue" the cracks. It worked well and two years later
no leaks so far.

Good luck with the detective work and repair

Bill
Richmond VA
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Old 05-28-2022, 01:29 PM   #10
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2008 19' Bambi
2012 23' Flying Cloud
2016 25' Flying Cloud
Bandera , Texas
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Look for black tube hanging down in the front of the street side wheel well.
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Old 05-28-2022, 01:44 PM   #11
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1973 21' Globetrotter
Houston , Texas
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There are many threads describing other users' troubles with this same problem. Try searching for "Air conditioner" in combination with "leak," "dripping," "water," "condensate," etc.

If it is a simple issue, it usually amounts to a clogged drain tube that results in an overflow and leak from inside the unit. If you pull the ceiling unit off, you can usually see and inspect the drip "pan" or tubing that is attached to the drip cups that are installed outside, and underneath the AC unit. You can try to clear the tubing from the AC side, or from the drain end (which it sounds like you are having trouble finding).

Causes for dripping that are less trivial can include cracks in the condensate catch pan (if equipped) or leaking tubing (if equipped with drain cups).

One of the less common, but still problematical, causes of a dripping AC unit can be that the butyl goop that seals where the wires come from the interior of the unit to the exterior sags and creates a hole, which allows humid air from outside to be brought into direct contact with the cooled parts of the inside of the AC, thus causing condensate and dripping. Similar thing can happen if your AC is loose, of the foam rubber seals between the AC and the room are damaged. All of this can be inspected from the outside by removing the shroud.

good luck!
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Old 05-28-2022, 03:25 PM   #12
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1988 25' Excella
1987 32' Excella
Knoxville , Tennessee
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Mine leaked badly after Camping World mounted a new AC but could not get the parts for the drain. I found the tube and followed Bob Cross's advice on how to clear it. The tube was not the problem. The badly broken connection to the old drain pan was the problem. I use a succession of Flex Seal products from Home Depot and they fixed the leak. I used the putty and the tape and the spray on can. I am too old to get on top and pull the AC so I will just ride with this as long as it works Last year was a terrible year to get try to get Airstream service.
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Old 05-28-2022, 04:06 PM   #13
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2010 23' FB Flying Cloud
McMinnville , Oregon
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I found the drip tube and ran some string cutter line up as far as I could get it to go, then blew some compressed air into the line. I’m hoping this did the trick. I inspected around the AC unit and didn’t see any glaring issues. I guess we’ll find out if this worked on our next trip out. Thanks everyone who responded, lots of good ideas if my “fix” didn’t work.
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