been looking at new fifth wheels. from the small to the overly large. one thing they all have in common is the two tanks. is there a law saying only two per rv? or possible to have three or four of ...
I don't think there is a law, at least not nationally. But 2 tanks just makes sense. One in service, one in reserve or out for refill. Any more than 2 is just a convenience to minimize trips to the filling station.