The toilets are positioned directly over a black water tank which allows them to directly deposit to the tank without horizontal pipes that require flushing.
It can be quickly and easily disconnected from the black water tank with a twist.
Any black water tank mentioned above should have a fitting for an exhaust hose that runs up above your roof level.
If you want to deal with solid waste rather than liquid, the answer is to have holes in the top of the black water tank through which air can enter and then exit through your exhaust hose (above the roof).
This way everything slips right into the black water tank without any mess.
Displacing just under eight tons, the new boat features standard air-con, gen-set, teak decks, stainless steel professional 320-litre fridges, black water tanks
, Tecma electric toilets, 32-inch plasma TV and a Bose two-zone surround-sound system, bow thrusters, on-mast electric winches (from Porsche) and custom Antal deck hardware.