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Old 09-08-2016, 03:54 PM   #1
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Newell - Single Combined Grey/Black Tank?

It's always interesting when one manufacturer does something different, clearly weighing risk vs rewards.

Newell apparently only offers combination waste/grey water tanks (sometimes with a grey water bypass switch). I would think that offers more flexibility (don't have to worry black vs grey capacities), but apparently it's a requirement of RVIA.

Do any of you have issues either way with a combined tank? Thoughts?

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Old 09-08-2016, 09:19 PM   #2
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I would not want one.

MADP, Jeep, Blue Ox, SMI AFO, Solar: 900w/672a, Amish cooling unit, Lifetime: SKP & Days End
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Old 09-08-2016, 10:08 PM   #3
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What is the difference...waste water is waste water.
Grey water can have food particles, grease-oils, skin cells, scum and even urine.

Vapor barriers stop odors from either tank coming back into rig (grey can REALLY Stink!!)

RVs of yesterdays only had one waste tank.

I added an extra valve on the common drain header and can link all three of my waste tanks together.
Great for extended boondocking
Just dump and rinse after dumping.

Residential drains (sinks/showers/toilets) all go into same drain system and nobody even thinks about it/questions it.

RVrs just 'hold' waste before dumping into same system

It's all waste water.

Apparently Newell at $1.9 million thinks so too
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black tank, single, tank

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