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Old 02-22-2016, 11:04 AM   #1
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Parker , williamdcrockett
Join Date: Apr 2014
Posts: 34
condensate drain line

Can you guys tell me what the drain line shown in the attached picture is tied into? It is on my 2012 27' FB International. The line comes into the fender well on the curb side of the trailer between the shower and closet over the fender well. It is in the front section of the fender well and it appears to be between the walls of the trailer and going towards the front. I have attached a couple of pictures. The furnace and frig are on the other side of the fender well so I would not expect it to be coming from one of them. The line must be plugged because water is coming out under the line and down the fender well. Do I need to worry about this?
Looking at the floor under the closet that is close to this line I can see some moisture so I think the tube is plugged or not draining as designed causing a small amount of water to be absorbed into the floor. There appears to be a small water stain where the floor meets the fender well. It is not a lot of water so I am not sure if it is something I need to worry about it. This morning there is a puddle of water under the drain line and a pretty steady drip but no water on the floor that I can feel or see. Temps here were in the low 30's last night and the furnace was set to 45 Deg F last night. This morning there is a steady drip of water forming the puddle in front of the tire and the furnace has been on because I raised the temp to 60 Deg F. The trailer is not hooked up to water from outside. There is water in the freshwater tank and the pump is on but no one used any water for the last couple of days. Is this from the furnace, the fridge, could it be moisture between the walls. I have looked in the parts catalog and can not find a diagram showing the line. Thanks Bill
Attached Files
File Type: pdf Fender well drain line.jpeg.pdf (2.79 MB, 63 views)
File Type: pdf Water puddle.jpeg.pdf (2.26 MB, 45 views)

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Old 02-22-2016, 11:40 AM   #2
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Looks like the A/C drain hose.


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Old 02-22-2016, 05:08 PM   #3
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Parker , williamdcrockett
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I did not consider the a/c drain hose because I have not used the a/c. But maybe moisture is collecting on the outside of the a/c hose from somewhere in the trailer. It has not rained on the trailer since early January so something inside the trailer must be leaking or creating condensation that falls onto the hose.
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Old 02-22-2016, 06:39 PM   #4
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Could it be a low point drain in the fresh water system? Maybe the drain valve is open slightly, letting a drip pass through? Or, a compression ring at a fitting is not crimped correctly?

The pipe in your photo looks like white PEX. The AC drains I have seen in Airstreams have been a black plastic pipe.
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