Hello all, Have purchased a 2004 Keystone Montana. The sink keeps stopping up. My grey water valve is open. Shouldn't this water go right out? My black tank needs pumped which makes me wonder if th...
The kitchen sink is the one that won't drain and is above/behind the axle. I don't see another valve handle besides the black and grey valves at the opposite end of the camper. I do have 3 water gauges to monitor. Grey, black, and galley readings. But only 2 valve handles that I can find.