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Old 10-06-2015, 06:51 AM   #1
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1989 32' Excella
Sharon Springs , New York
Join Date: Aug 2015
Posts: 75
Do refrigerators have draintubes?

Bought a 1989 Excella that had the refrigerator replaced in 2007 according to the paperwork in the manual binder. Upon further inspection (after I bought it of course) I found a soft floor spot in bottom of the cabinet forward the refrigerator in the street-side corner going under the cabinet sideboard towards the refrigerator. The spot is about 9" in diameter and is dry and crumbly. I think it may have been condensation run off from either the original refrigerator or the newer one. The unit hasn't been used in a couple of years so before I go on the road next Spring would like to repair the floor, but first determine where the leakage originated so it doesn't continue to be a problem. Have been RV'ing on and off for a while and can't remember if there is a drainage system for the RV refrigerator like there is for the AC. Any advice would be greatly appreciated...


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Old 10-06-2015, 07:03 AM   #2
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2007 30' Classic
Oswego , Illinois
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Most ASes do, but my old SOBs didn't. I can't say when AS started using a drain. My SOBs just filled the tray inside the fridge and had to be removed and dumped from time to time.


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Old 10-06-2015, 08:08 AM   #3
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2000 19' Bambi
mt. Prospect , Illinois
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Look outside on the body in the close vicinity of the refrig. If like mine, there will be a plastic drain tube protruding.
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Old 10-06-2015, 09:02 AM   #4
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2006 23' Safari SE
Biloxi , Mississippi
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Mine does.

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Old 10-06-2015, 10:10 AM   #5
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1991 34' Excella
2009 34' Panamerica
Telluride , Colorado
Join Date: May 2012
Posts: 1,938
Mine has a drain plus an aluminum pan that covers the entire floor area directly under the fridge.
After you fix the floor, add a pan of aluminum.
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Old 10-06-2015, 11:06 AM   #6
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2013 30' Classic
Greenwood , Mississippi
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My Airstream refrigerator drains through the floor via plastic tubing.
My previous sob trailer drained through the refrigerator vent on the outside of the trailer via plastic tubing.
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Old 10-06-2015, 11:21 AM   #7
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2015 27' FB International
Carlsbad , California
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Mine drains through a plastic tube, it looks like it terminates in the exterior fridge access compartment. My old SOB hose went through the floor and drained over the tires. Great question for newer units, where will the water go on level ground?
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Old 10-06-2015, 11:26 AM   #8
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2014 20' Flying Cloud
Kooskia , Idaho
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I have had 3 types of drain systems, all on Dometic refrigerators.

1. No drain at all, water goes into a plastic part under the fins which has to be periodically removed and dumped out manually.

2. A drain tube from the inside which dripped water into a metal cup which sat on one of the bottom refrigerator coils and by being kept hot, evaporated the water.

3. A drain tube with a small check valve in it which leads to the exterior lower access door and drips water out the door, down the side of the trailer.

So, depending on which refrigerator you have, and what Dometic was doing with the drain water at the time, you may or may not have any drain water visible at all.
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Old 10-06-2015, 03:14 PM   #9
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1969 23' Safari
Palmer Lake , Colorado
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Our '69 AS has the original Dometic and it still runs like a champ on electric & gas. There is no drain for the unit to the outside. When we come home from a trip the freezer de-frosts right into the refrigerator itself (and all over anything that may be stored below the freezer). Fortunately we have not had a problem as long as we wipe the water out and make sure it is dry.
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Old 10-06-2015, 04:14 PM   #10
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2001 25' Safari
Vancouver , Washington
Join Date: Sep 2014
Posts: 269
My 2001 fridge has a drain tube that runs down to the street side service access compartment. It ends inside the service area and water drains under the access panel door and down the side (exterior) of the trailer. It only drains when I shut it off and it defrosts. There is a little perforated end cap on the drain tube to keep out critters.
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Old 10-06-2015, 11:38 PM   #11
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1977 31' Excella 500
West Sacramento , California
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My 77 RM100 drains into a metal cup that is heated by the coils and evaporates the water

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