kroghville
Jun 30, 2013Explorer
Black tank Flush
Sticker by the flush hose port says 'drain valves must be open when rinsing blak tank'. Why must they be open as there should be no pressure buildup, or am I missing something?
. wrote:
I close mine and fill about 2/3rds. Then pull drain. If still dirty Ill do that again. Just dont forget what you are doing.