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beardedone
08-05-2008, 06:31 PM
If one of the two grey tanks totally fills will it overflow into the 2nd grey tank or back up into the sinks etc.

jnbhobe
08-05-2008, 08:57 PM
I would think it will back up , unless the cap is on and both valves are open.:eek:

Tom of Ypsi
08-05-2008, 09:27 PM
I can tell you my shower became a bath tub so I would say the tanks back up. Thankfully Judy was close by and I yelled to her to go out and pull the grey tank handle. She asked which one and I replied all of them, I am drowning.

cdbMidland
08-05-2008, 10:12 PM
Unless you open both gray tank valves and keep them open, the full gray tank will just back up to the sink (or shower if it is gray tank #1).