Susan & Mike,
Please give us more details on the coach.
2. Model 1311, 1321, 8360, etc?
3. Chassis - Ford F53 or Workhorse W-22/W-24
4. Where do you live?
If you have not yet, join FMCA. Lots of benefits of membership.
Join the National Owners FMCA Chapter in your area. Lots of great folks and LOTS of knowledge about Nationals. I the Southwest are The Dolphins, Northwest, Teh Pac-Nats, Florida, RV NUTS, etc, More Chapters can be located on the FMCA website.
Lots of info on The Dolphins website. The Dolphins
As an owner of two NRV coaches, I can attest to the quality of the NRV product.
Also, post future inquiries on the National Woners Forum on this website and there is a National Owners Groups on Yahoo Groups.Go to Yahoo.com, look for Groups, then search National RV Owners