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Old 04-14-2015, 09:33 PM   #1
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Vcross Platinum Fifth Wheel - unknown plumbing hose ??

I have a 2013 Vcross Platinum . There is a miscellaneous hose in the external input area below the fresh and city water inputs that is unlabeled. It has a 1/2" PVC male fitting. Who can tell me what it is for? I think it is the Winterizer input hose to the freshwater lines, but I'm not sure.
Picture attached. It's the left hose with the black cap under the city water input.

It seems I cant attach the picture from my ipad. I will post another thread unless someone knows this answer without seeing it.
Terry - Houston Texas

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Old 04-15-2015, 09:03 PM   #2
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Photo of Unknown hose

Here is a picture of the water input area. The bottom left hose is the one in question with the black cap. What is it for?
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Old 04-15-2015, 09:08 PM   #3
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Could it be your Black Tank flush?
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Old 04-17-2015, 09:15 AM   #4
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That's to winterize you fresh water system. Just stick that hose in a gallon of RV antifreeze and turn on the water pump. Go inside the trailer and open the faucets until the antifreeze starts coming out. Be sure to block off and drain you water heater.
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Old 04-17-2015, 08:48 PM   #5
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Thanks. That is what I thought. I did it manually thru pumping into the freshwater inlet this past winter.

Have a great day.
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