WOW, just got done reading an article by Barry and Cindy from 2008 re the Sealand Traveler Model 511 toilet and the availability of drain plugs for the overflow holes. Sealand Traveler toilet with overflow holes (http://www.foreforums.com/index.php?topic=18851.msg130817#msg130817) The DW called the number on their article, got Sealand contact, and two Bone colored plastic plugs will be shipped tomorrow--no charge for parts or shipping!! WOW, our Foreforum people are really great with any info we require to keep our coaches in top form!!