I can tell you from experience that Heartland is very flexible in this regard. If you aren't close to or can't get to a Heartland dealer for service, call Heartland customer service and they will make sure you get taken care of.
I currently live in Lexington, KY... I purchased my Landmark from RVPricebusters.com Springfield, OH lot. I've had no problems getting things taken care of.
Hope this helps,
LK