Went to dealer (Toscano) and the problem was a simple as we thought. The cap on the vent had been put on to tightly and was not allowing the system to drain quicky. A two minute fix.
Thanks to all.
John
Hi, sure glad it was an easy fix. Now have fun camping. And enjoy your new trailer.
This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.