These hot beverage staples of gas stations and conferences can keep water warm for up to eight hours.
Unless your RV is parked in a campground or resort and hooked up to endless gallons of water (and a sewer hookup), this necessity of life is rather finite.
Northwest of Vancouver BC, the Sunshine Coast is a stretch of land the locals describe as pure paradise.
Are you having problems with water leaking from your city water inlet? If so, the fix is probably easier than you think.
To really get away from it all, just add water. These islands have RV campgrounds and some amazing views.