bigskypylot
Explorer
Most definitely. I think if you drained it as much as possible and purged the lines if you weren't going to be using it on a regular basis and wanted to leave it in the rig , you'd be okay. If you were out on a multi-day/week trip, something like this may works?
http://htdheattrace.com/products/tank-heating/plastic-tanks/
http://htdheattrace.com/products/tank-heating/plastic-tanks/























































