1. toliet. replace it now with dometric 310 or 320 like stated above.
2. outside box for connectors is just a typical metal box, standard, not a problem.
3. the lippert leveling system call lippert and talk to a real person about your issue, it is something that can be corrected. Phone:
574-537-8900
4. for the rest you need to work with your dealer
5. if at all possible get into the fall goshe rally and deal with the techs at the rally.
good luck