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Old 02-08-2016, 05:11 PM   #11
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Location: Warsaw,NC
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It says on mine to leave the black tank open while flushing. I close my black tank valve while flushing and just watch the tank filling up and once I fill the tank almost full I dump the tank and I do this until my water runs clean. I normally do it two or three times. I have a outside shower and I hook the hose up to the black tank flush and most times I run hot water in the black tank first, it makes stuff soft that's in the black tank

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2015 Cedar Creek 32RL
2012 Silverado 3500HD SRW
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Old 02-10-2016, 06:58 PM   #12
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Location: New York
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The only TRUE OVERFLOW is the fresh water, all other tanks (black/ grey) will overflow into your coach (SO BE VERY CAREFUL) as this could turn into a very bad day for you and any other using the coach!!
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Old 02-10-2016, 07:02 PM   #13
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Originally Posted by emm-dee View Post
I really wish y'all would stop describing black tank showers. That's an image I don't want to see.

But, I've been meaning to ask about this label on my Vengeance:

Is this saying the black tank drain valve should be open during flush (I think that's what they're saying). Or, is it referring to the flux capacitor assembly.
Yes. It's a flush so the drain valve should be open - you are flushing it OUT not IN.

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