Larry is right. Apparently if you shop carefully, you can buy furniture that is the same height as the current OEM chair. I don't know how much leeway there is in the height, if any. And remember that the floor of the slideout steps up, so any furniture that rides on the slide when the camper is folded down must be shorter than the chair, which doesn't ride well on the slide. Also, be aware of weight. The OEM chair is purposely made to be quite light. Recliners, and especially a reclining love seat, will have a steel frame that can be enormously heavy. Having just moved a reclining sofa, I am sensitive to this.
As for getting the furniture into the camper, it doesn't need to come in through the door. Instead you can raise the front shell, but don't pull out the slide. Get someone to climb over the front wall into the trailer, and someone else to pass the furniture in over the front A-frame of the camper.
You can use this same approach to put someone in the trailer with a measuring tape and a flashlight, then close the camper down with him/her inside, to get a measurement of actual allowable height inside the camper.
Bill
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