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Old 07-31-2015, 05:41 PM   #1
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1970 25' Tradewind
parkville , Maryland
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How do you keep your drain tubes clear of debris?

I keep getting mud and debris in my ac drain tube under my airstream. As well as my other drain tubes.

I have seen a contraption on commercial reefer trucks with tubes hanging under them but I don't know what it called. It looks like to flaps of rubber that clamp on the end of the tube and only let water out. And keep Denis out.

Does anyone know what I am talking about?


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Old 08-01-2015, 06:54 PM   #2
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parkville , Maryland
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so they are called duckbill valves. Anyone ever use them? :: View topic - AC condensate drain tube tip and interior flooding

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Old 08-01-2015, 08:33 PM   #3
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Davidson County, NC , Highlands County, FL
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I cut a 5' square of window screen then I folded the corners loosely around the end of the drain tube beneath the trailer (like a small purse) and used a hose clamp to hold it on. Have not had a blocked tube since.

When in storage I use a piece of fiberglass furnace filter inside the water heater and fridge doors to keep daubers out.
2014 Silverado 1500 5.3L maximum trailering package (yes, I'm towing the 34')
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