I think this is the first post (I've seen) where someone is disappointed with Jayco.
FYI, before you took delivery of the camper, did you not ask where the water heater was, how to by-pass it, and access it.
I've owned 3 TT's now, and each one, I've had the dealer show me these things before I even considered buy it. I also had them put the slide IN, physically remove the propane tanks, and explain how the refrigerator works .... before saying "yes" I'll take this camper. This drove my wife nuts. She thought I was on over-kill, but it also caused us to reject a few models too! (which I am grateful for now, and SHE is too because she doesn't have to hear me rise a fuss out of frustration for selecting a model that's just not .... "right").