My toto is leaking at the same place - down the big threads of the flush valve base.
Is the thin rubber gasket and the big nut on the valve base supposed to make it watertight alone? If so, just snug the nut? Or would plumbers putty help?
Or, does the tank-to-bowl donut really seal the threads?
Is the thin rubber gasket and the big nut on the valve base supposed to make it watertight alone? If so, just snug the nut? Or would plumbers putty help?
Or, does the tank-to-bowl donut really seal the threads?