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Old 04-07-2019, 10:11 PM   #7
RayChez1
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Join Date: Jun 2005
Posts: 1,257
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I don't know about all the coaches and trailers Gulf Stream has manufactured if the black and gray tanks total what the fresh water tank holds, but they should according to all coach manufacturers spec's that I have read. It is very important especially if you are boon docking. When your 100 gallon tank is running empty, both black and grey tanks should be about full. Usually the gray will fill up sooner due to collecting water from the shower, lavatory and kitchen. That is why the gray tanks are suppose to be bigger then the black tank which collects water only from the toilet.
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2002 Gulf Stream Scenic Cruiser
2018 Buick Envision Essence
Neway Freightliner chassis
Aventa II Blue Ox
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