New to me 5.0 TA with suspected small(?) leak under kitchen sink. - Escape Trailer Owners Community

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Old 12-03-2018, 05:18 PM   #1
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New to me 5.0 TA with suspected small(?) leak under kitchen sink.

Just picked up our used 2014 5.0 TA. Got it back to VA, parked it in the campground and began a more thorough shakedown. Found a wet spot mostly on the bottom of the small cabinet on the floor beneath the sink. Looks like antifreeze. Pulled off the small veneer panel on the inside left of the cabinet to inspect. Reached hand as far along hot and cold water pipe as I could not dripping or moisture. Ran hand down sink drain pipe, no moisture or dripping. Ran hand along foil insulation over wheel well and this was uniformly slightly damp. After heating the trailer up and running a dehumidier for a night it looks like the damp feeling on the foil was just condensation (the foil panels under the dinette felt the same and also dried out). Next step in my plan is to take the back veneer panel off of the cabinet. Will probably keep both panels off as I would like to have access to the pipes / hoses anyway. I'm a bit peeved since we paid to have the unit inspected prior to purchase and it appears this was missed.



The trailer was stored, closed up in South Carolina for approx 4 months. Any thoughts on what this could be? High on my list since there appears to be antifreeze in the stain is the drain pipe since there would be antifreeze in the bend under the sink (was winterized prior to inspection), or the interface between pipe and gray tank (not sure if gray tank is under the kitchen or what but thought maybe there was a pipe junction where the pipe terminates near the cabinet.



All thoughts appreciated. Also being a new RV'er not sure how concerned to be about this. Is this a big or small leak?
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Old 12-03-2018, 05:25 PM   #2
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Escapes have drain holes around the perimeter to allow condensation or leaks to drain out and keep damage to a minimum. If condensation then this wet spot could be normal. If the leak is in waste plumbing then you need to use the plumbing to try and recreate the leak. The antifreeze stain is a good indicator of that scenario. On the other hand, if the unit was winterized, then it could be a plumbing supply issue, with the antifreeze in the supply lines.
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Old 12-03-2018, 05:27 PM   #3
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Decided to live in the trailer through the work week since we are getting some cold nights (lows in the 20s F). I figured its easiest to just keep it warm and lived in to get the residual SC moisture out and to keep everything warm until I can rewinterize this Thursday. Thinking about dumping gray tank before I travel back home in case this is backwash? Probably only a few gallons of gray water in tank related to the inspection.
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Old 12-03-2018, 05:29 PM   #4
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Escapes have drain holes around the perimeter to allow condensation or leaks to drain out and keep damage to a minimum. If condensation then this wet spot could be normal. If the leak is in waste plumbing then you need to use the plumbing to try and recreate the leak. The antifreeze stain is a good indicator of that scenario. On the other hand, if the unit was winterized, then it could be a plumbing supply issue, with the antifreeze in the supply lines.




Thank you! So basically hook up to city water and run it through until I can see something dripping? Im hoping it's a waste issue vs a supply issue. If waste then I could just seal around junction? If supply I imagine a length of tubing would need to be replaced?
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Old 12-03-2018, 05:56 PM   #5
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...All thoughts appreciated. Also being a new RV'er not sure how concerned to be about this. Is this a big or small leak?
Is there any chance that the previous owner stored a jug of antifreeze in that cabinet and it may have leaked a bit, rather than the plumbing leaking? (I had a bottle of black tank deodorizer liquid in one of my cabinets that leaked a bit and left a similar type of stain.)
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Old 12-03-2018, 06:01 PM   #6
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Is there any chance that the previous owner stored a jug of antifreeze in that cabinet and it may have leaked a bit, rather than the plumbing leaking?

This was my first thought but my girlfriend was skeptical. He had various liquids stored in those bottom cabinets, apparently he had some desicant products stored in there, not in use just to refill the disposable dessicant holders he put out during storage. There could have been liquids in there as well.



We now have the Ecoseb dehumidifier running full time and when it's stored we will keep it running (parents have graciously offered to store it outside their house and we will be running a 10 amp line out to the RV and hooking it up with a 30 amp adapter and run the Ecoseb off of a receptacle inside the trailer). I thought this was best as it provides dehumidification as well as some heat.
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Old 12-03-2018, 06:02 PM   #7
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Is there any chance that the previous owner stored a jug of antifreeze in that cabinet and it may have leaked a bit, rather than the plumbing leaking? (I had a bottle of black tank deodorizer liquid in one of my cabinets that leaked a bit and left a similar type of stain.)

Just reread this and in the cabinet next to this one we found a bottle of deodorizer!
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Old 12-03-2018, 06:09 PM   #8
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The more I look at it, the more it appears to be a stain. If those 2 hot/cold vertical supply lines to the sink had a leak, it would spray all over the walls, not drip down. There is no waste drain over that spot so it has to be residue from something stored there.
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Old 12-03-2018, 07:55 PM   #9
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Just reread this and in the cabinet next to this one we found a bottle of deodorizer!
When I winterized Ten Forward, I took out all the aerosol cans, disposable batteries... but forgot the new 8-pack of black water tank treatment! We're getting ready to go into a week of below freezing weather... gonna go get it tomorrow....
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Old 12-03-2018, 08:24 PM   #10
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Noelia left a can of Deet mosquito pump aerosol spray in the o/h over the winter. When it leaked it melted some plastic, what a mess to clean, liquid plastic is like grease, but sticky.
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