Single black/gray drain outlet
Our last tt (2016 crossroads zinger) had two separate gray tanks with two separate drains..so, at dump station, it would be - connect / drain/ disconnect, and then do it again at the second drain.. al...
Forum Discussion
I’ve had both...front gray alone with a rear drain combining black and rear bathroom gray, and gray and black combined into a single drain. Handy having them combined, but it wouldn’t be a decision maker for me on a trailer...
