Quote:
Originally Posted by EA37TS
Owners resource center on the Thor website. If the schematics are not there contact Thor and ask for them.
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The flush line for the black water tank runs behind the vanity in my freedom traveler. Have you ever used your flush line for black water rinsing? Something may have backed up. You also may have something in your vanity drain line. You can try a septic tank safe drain cleaner to see if that helps.