Probably not. The 27VRL we are picking up this week has 2 grey tanks and is listed at 74 gal. But I don't see the RKWS listed in the book I have.
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Gary & Misty
2014 F150 3.5 Ecoboost, Air Lift 5000
2016 Flagstaff Super Lite V 27VRL Emerald Edition
Days Camping
2014 - 103
2015 - 46
We have a 2014 and it has two grey tanks one at the front with sewer and a separate one at the back on street side for the kitchen with a separate valve handle. The book I have shows 76 Gal grey water.
Regards
Wayne