We are waiting for our 395MS to come in to our Tampa dealer. Meanwhile, I am curious as to how the garage 1/2 bath is plumbed. The washing machine will be back there and I am hoping I don't have to hook that drain sewer hose just to use the washing machine. I am thinking it might be drained to the kitchen grey tank that empties via the sewer hose in front of the wheels. Anybody know?