I have owned my 05 National SeaBreeze coach for about 3 years. The jacks worked the day I bought it used from the dealer. The next time I tried to use them, nothing. Fast forward to yesterday when I finally replaced the jack motor. Now bear in mi...
I would add a 2nd unit if all is as described. Your generator is capable of running both. It's a DIY job if you are handy and the vent is already wired.
My experience is that if you stay on top of it, painting it gets a little easier each year (I do it in the fall) as there is less to do. I also use Rustoleum.
Can't help you with pressure on the front since you swapped in the Kelderman but I ran my rear bags at 55# for my last trip and it helped a lot. I am still trying to dial in the pressure that gives the best results for me. Note that I have a 22K ch...
If you buy this unit or something similar to it, you are going to need practice driving it. I'm not real familiar with vehicles from Europe except that they seem to be really small. American motorhomes are HUGE and it takes awhile to adjust driving...