3" ABS Hub used in Class A Customs Black Water Tanks
Due to the size, this can be used for Human Waste or Shower - Dish Washing - Hand Washing Tank.
Do Not over-tighten fittings damage will occur
Dump valves do not hook directly to the 3" ABS fitting, from the outlet run PVC or ABS piping to the outside of the trailer, a dump valve is added to the piping.
Q: Is this the fitting that is clamped with a adjustable worm clamp at the outlet of the waste tank?
A: Yes, this is the Outlet that is used on the Waste Tanks. When installed factory they are glued and clamped.