Heated water hose (pirit brand) sewer hose on a slinky minimum and inside a 4" PVC pipe. Both would be preferred. Make sure slide seals are sealing properly to prevent drafts. Some choose to skirt the underside with that blue Styrofoam insulation board. If your underbelly is sealed then your furnace in winter is your friend. Dehumidifier will keep things dryer. Which your travel trailer will thank you for. No icy windows excessive moisture Inside or mold.
If the skirting or furnace heat aren't in budget only thing left is drain the water and winterize. Walk to bathroom or shower all winter.
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08 GMC C-4500 w/Custom bed. 8.1L
45ft 2007 Teton Reliance Experience XT-4
TSLB Trailer Saver w/ 3rd airbag
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