Mark, when camping in winter, I just haul my water in jugs.  Of course, they can freeze, too, but it won't damage water lines.  down to mid-twenties, I haven't had anything freeze, just seems not to get that cold in the van when the temperature warms into the fifties in the day. mcneely

---- "Mark L. Hineline" <hineline@OCOTILLOFIELD.NET> wrote:
> Next weekend I'm going to be on the Colorado Plateau for three nights.
> Daytime temps in the 50s, nighttime down into the 20s.
>
> Are there any tricks to keeping the water tank happy and unfrozen?
>
> Mark

--
David McNeely