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
Tin-bender wrote:
Not sure I understand how your black tank can back up into your shower, they all have separate valves that close them off. And if your parked and they all are open and they back up, well there is a bigger problem.
Sigh. You have to follow along with the posts.
1. This thread started because someone had two separate grey tanks.
2, Someone else said he was glad his black tank and grey tank were separate tanks.
3. Someone else asked why?
4. I posted that if you had a single tank for black and grey, combined, you would know the answer if it ever backed up into the shower, like a grey tank can do.
