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Old 01-09-2020, 04:07 PM   #1
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2012 Brookstone 350RL water panel question

Can someone please explain to me what the purpose and how to use this white knob? Thank youClick image for larger version

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Old 01-09-2020, 04:14 PM   #2
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Posts: 1,788
If I was a betting man.. I'd say that's likely your black tank flush.

Don't take my words for it but I wonder if you were connected to city water and turned that knob if your black tank would start to fill and you would hear the nozzle inside the black tank spraying the sides..

Might be a way to test.

Makes me think of that because of its proximity to the black tank valve.

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Old 01-16-2020, 09:35 PM   #3
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Join Date: May 2012
Location: Charlotte, MI
Posts: 219
That is not your black tank flush.

In that position on ours is a 3rd pull for a dump valve. We have three tanks and thus three pulls.

I know it looks very different, but is it possible it was changed out?

Does your coach have 3 tanks (1 black, 2 gray)?

Try pulling NOT TOO HARD! If you don't want to do that, pull out the cover in the pass through that gets you to the back of the panel. That should tell you what it is running too or from. See if it is following the the other 2 cables down out of sight.
2011 Brookstone 354TS
2013 F350 SC 6.7 DRW
Swivelwheel 58DW
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2012, roo, water

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