05-14-2020, 08:22 AM
On both my 93 and 98 with a single combined tank the valve you're talking about when left open allows the gray water into the tank. When left closed it bypasses the tank. Is yours setup that way?
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486
1993 Newell 39' #337