I just purchased a 1997 U320 ....in time for a freeze in this area with temps expected to dip to 25F in the next couple of nights.<br/><br/>What is the best way prepare the coach for storage in freezing temps? I ran pink RV antifreeze through the cold water lines, but could not get water out of the hot water side. I did this by connecting a hose to the inlet side of the...