Jabsco Diagnose Waste Back flowing Into Marine Toilet

Tmc marine 12v electric small bowl toilet with macerator pump fo-3869-1 includes a heavy-duty pushbutton, 3/4 inches to 1 inch inlet and 1 inch to 1-1/2 inches discharge hose adapter. With the Smart Flush Control Panel Switch with Protector, the self-priming flush pump rinses the bowl.