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Old 04-11-2015, 03:47 PM   #1
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Join Date: Apr 2015
Posts: 8
AC Drain for work and play

where does the ac drain? I noticed lots of water standing on roof today. I also need to know if I am supposed to set the hauler up at a slight angle for the roof to drain.

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Old 04-11-2015, 05:09 PM   #2
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Join Date: Feb 2015
Posts: 29
Yes it drains onto the roof. Leaving a slight angle (so the door side is higher) will allow the water to drain off the "back side".
Or same principle leave one end higher so it drains off.

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Old 04-11-2015, 06:21 PM   #3
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Join Date: Aug 2011
Location: Albany, GA.
Posts: 599
"Bamamax" is correct. Unfortunately this type system has caused many a roof leak. Theoretically with a camper set up level the water from the A/C unit will puddle up just beneath the A/C unit itself. Between the A/C unit and the roof of your unit there is only one foam rubber gasket which is supposed to keep this water from the A/C unit from entering your unit. You can read many posts on this forum of roof damage caused by water leaking by this gasket and wetting the wood of the roof. Recently I have been looking at a new unit and noticed that almost all units I looked at have a "turtle-back" roof. This means the roof is crowned a bit from side to side and I believe that this will facilitate the drainage of the water from the A/C. Somewhere within this forum there is an article on how to build up the roof of an RV by placing wooden pieces underneath the rubber roof membrane. This raises the area that the gasket sits on by 3/8" or 1/2" whichever thickness of wood you use.
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drain, work and play

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