thompson60ExplorerMar 29, 2014fleetwood grey water drain problemsI have a 2009 fleetwood terra 29vs.If I leave the grey water gate valve open and drain the kitchen sink it drains ok.If I close the gate valve and drain the sink some water comes up into the shower. ...Show More
hersheyExplorerMar 31, 2014Sounds like you have two gray water tanks and one is full, thus causing it to flood the shower. The other is the one your draining.
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