Shower wont drain unless black tank is dumped
Hello, Boy could we use some help. We have a 2012 Keystone Montana. We made the mistake of leaving bland tank open. It clogged, we fould out the hard way. Before we had black pumped out by septic ...
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I had a Keystone Cougar with 1 black tank and 2 grey tanks and the dump valves for these tanks were labeled incorrectly. Could your problem be that simple? Your "black tank" may actually be your bathroom grey tank and one of your grey tanks may actually be the black tank.
