OK so parts arriving daily. I already have my Peli case to put it in but ordered some other bits and bobs.
The heater is flipping fantastic but does take a while to fire up and then cool down, but it's OK.
The fuel tank came with no holes in and a small tap fitting intended to go through the wall and be secured with a gland on the outside. Fine as long as you have a nano-bot that is small enough to go inside the tank and pass the fitting through. I contacted the seller via e bay and they've said sorry about that, here's £10 back for your trouble!! Ta.
May case isn't big enough to get the 10L tank inside so it can go on the back of the case unless I put a small tank inside somewhere. I'd rather keep the heat away from the fuel tbh.