No, it is closed most of the time, but emptied and flushed before leaving a site where I am hooked into sewer. It would seem that intermittently opening and closing the valve during this flush would work best, but agreed - this is not a time you want to get distracted!
Thanks for the reply.
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Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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