Gray Water Won't Drain!
Our 05 Cougar 5'er seems to be plugged up on the gray side. Sink backing up, tank gauge shows E. Drain valve appears to be working. Not sure what's going on. Anyone seen this?
Forum Discussion
Sink backing up...drain valve appears to work?
Have you removed the 'P' trap under sink and check it/drain line for blockage?
Otherwise.....drain valve maybe isn't working
Have you removed the 'P' trap under sink and check it/drain line for blockage?
Otherwise.....drain valve maybe isn't working
