D E H L E R 3 4
1.2.4. Black water
Black water designates all sewage from the toilets. Seawater is used for flushing. It is pressed
into the bowl and pumped into the black water tank with the contents of the bowl.
The black water tank with a capacity of 35 litres is a permanent installed tank in the immediate
vicinity of the toilet. The tank’s ventilation ends in the boat’s side.
There is a fill level gauge on the DC panel. At 100% of the recommended level, the system issues
an alarm and indicates a discharge is required. After the alarm there is still a 25% volume reserve.
It is not recommended to take advantage of this because otherwise the vent line may be
clogged.
The tank is emptied either via the respective pump-out deck fitting with the help of a suction
plant on shore or outboard via the seacock. Please check whether the hoses are compatible with
the use of chemicals.
Before leaving the port, make use of the available pumping facilities to empty the black water
tank in any case.
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