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Old 06-20-2012, 05:43 PM   #1
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Join Date: Jun 2012
Location: Missouri
Posts: 144
Rear tank flush connection?

Our 22' TT has the really nice rear tank flush water connection. Does this flush just the black tank or both black and grey? There is a sticker stating to make sure and have all sewer tank valves open. I have the thermal pkg so I can't see the tanks or exactly where this water connection goes after leaving the rear storage. Thanks in advance JOF members!!!!
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Old 06-20-2012, 07:59 PM   #2
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Location: Fayette Ridges of PA, USA
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I think it's only for the black tank because it would not be as effective if it flushed both black and gray tanks at the same time. Besides, the gray tank normally doesn't receive anywhere near the amount of solids as the black tank does.

You should always drain (and optionally flush) the black tank first, then empty the gray.

However, if you're still unsure, check your owner's manual or contact Jayco Customer Service and ask them.

TV: 2009 GMC Sierra 2500HD | Crew Cab | Std. Box | 4WD | Duramax/Allison
RV: 2000 Jayco Eagle 266 | FBS | TT
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