Forum Discussion
pnichols
May 23, 2017Explorer II
Maybe I'm not understanding what you're asking.
Why can't you fill the black tank from outside using the flushing system but while doing this just leave the black tank drain valve closed?
OR
You can easily fill the black tank from outside using one of these attachments that you carry with you: http://www.campingworld.com/shopping/item/flush-king/20522
Why can't you fill the black tank from outside using the flushing system but while doing this just leave the black tank drain valve closed?
OR
You can easily fill the black tank from outside using one of these attachments that you carry with you: http://www.campingworld.com/shopping/item/flush-king/20522
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