07-20-2021, 09:37 AM
It is for the waste tank flush. In it’s original config there is a tee in that line because there is also a flush fitting at the top of the tank. The tee allows you to flush from the top or the bottom. What you have is a modification by a previous owner.
Richard and Rhonda Entrekin
95 Newell, 390 Ex caretaker
99 Newell, 512 Ex caretaker
07 Prevost Marathon, 1025
Maverick Hybrid Toad
Inverness, FL (when we're home
)