After a few days using fresh water, you need to refill the fresh water tank. Its easy and won’t take much time. This video shows you how to do it if it’s all new to you.
All our motorhomes in New Zealand do have hot water heating and hot air heating. Some of them have a digital display. We do have a paper manual in the motorhome but some like to watch instead of reading. You can watch this instruction video for our digital Truma unit here.