2 problems with these units for campers
1) They need a pressurized water source as i believe they are not a pump, but just a heater, so you need shore water source (your rv pump would work)
2) They really only work well with water that is room temp (60+ degrees) to begin with, try using one in a camp situation where the temps are like in the 0's or lower..
I would get a zodi shower, pumps and heats, and you can use creek water. just my
