No problems for me
I was out working by 7am, cold of course and well below freezing, but didn't have any freeze up probs at all.
Fan heater in van overnight, set on frost stat setting...sorted, have had a really good week too
Did warn Squeaky a few days ago that he needed to get something to keep the back of the van above freezing, but he brushed my warnings aside...he knew better!
Today he was stuffed, his microbore was well frozen!
Hope he doesn't need water in the morning cos my transfer hose is froze solid!
Luckily I filled my tank to the brim, so I've enough water to last me another 2 full working days
Ian