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Old 08-13-2017, 10:48 AM   #1
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2 gray tanks?

We have a 2016 221RBS the panel shows 2 gray tanks but there is only one gray dump valve, and I have never seen the level in the second tank change, sealed undercarriage makes it not possible to see tanks. Question is are there really two gray tanks connected or is this just a standard panel and there is really only one tank?
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Old 08-13-2017, 10:53 AM   #2
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At 32 gal capacity, my guess would be a generic panel with one grey tank.
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Old 08-14-2017, 01:22 PM   #3
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I have that trailer. Mine has a a black and grey dump gate aft of the wheels. That Grey is for the shower and bathroom sink. The second Grey gate is in front of the wheels it is tucked in a bit and hard to see. It is for the kitchen sink.
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Old 08-14-2017, 01:24 PM   #4
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On mine the #1 Grey tank hardly moves as we don't use the shower. The#2 tank fills up from the kitchen.
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Old 08-14-2017, 06:31 PM   #5
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I just have the black and grey gate aft of the wheels. The only drain forward of the wheels is the fresh tank drain (small white drain valve)?
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Old 08-16-2017, 12:01 PM   #6
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Yes the fresh water drain is there. I have a whole black colored gate drain behind that.
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Old 08-16-2017, 02:01 PM   #7
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I do not have that valve? Maybe I don't have the two tanks like I am suppose to have.
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Old 09-01-2017, 03:09 PM   #8
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I have a2016 vibe 221 and it has two grey water tanks one in the back with the blackwater and one forward of the slideout .
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Old 09-29-2017, 12:46 PM   #9
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I think the panel itself may be generic and include both gray tanks even if you only have the 1. I have a Rainier (Northwest version of Vibe) 272 with 2 grays tanks, but I have seen shorter models that have the same panel as mine, but still only have 1 tank.
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Old 09-29-2017, 12:58 PM   #10
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I would think if you've never seen the level change there is no second gray tank. Mine is the kitchen sink and you would definitely notice if you use the it.
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