Winnebago adventurer 38Q
On my 2016 the washer empties into the black tank. I am certain it does as I get the warm soapy water out the black tank and of course it fills when I do laundry. Most people when I mention it challenge whether it is really going into the black tank. I wonder if this is the case with other owners of this model or if mine was plumbed bad. The water lines were backward so who knows.
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