I doubt any of the conversion manufacturers put surge in their units let alone offer it. I know Show Hauler doesn't not sure if you can get as a option. Actually, I have not seen surge in most of the traditional motorhomes including pushers.
Anythings possible as far as that situation goes.
I know my rig wont be without one. I use a unit by
progressive industries
Cheap protection for the big money in electronics on these rigs.
Bill