Sewer Flush ??
Just bought first fifth wheel, Just above the purge valves there's an inlet valve for a hose(threaded) that says "sewer flush". Am I correct in assuming that I should hook a hose there when dumping bl...
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There will be no build up of pressure because the black tank has a vent. As stated earlier, there is a chance it gets overfilled and it will overflow from the toilet.
