Jeanneau SUN ODYSSEY 41 DS, Owner'S Manual

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Index B
YOUR BOAT IS FITTED WITH A BLACK WATER TANK
To minimise the smells coming from this tank, we advise the following use and maintenance:
1) Holding tank
- A black water tank is used solely for the temporary collection of water coming from the toilets.
- The tank can be emptied in 2 ways:
- By connection to a pumping system that empties the tank by suction. This system
uses the "WASTE" deck connection.
- Via the thru-hull fitting emptying directly into the sea (on condition that this is
allowed by law in the country where the boat is sailing).
- Only use water soluble toilet paper to avoid any blockage.
Note: Sanitary towels and other items (paper handkerchiefs, dressings etc) in the
toilets and black water tank will inevitably lead to blockages.
- Faecal matter causes formation of unpleasant odours in the black water tanks, to which the
use of salt water for flushing the toilets also contributes. Algae present in salt water also give
off unpleasant odours.
- Completely empty the black water system before leaving the vessel unattended in
temperatures below freezing.
- Ask for information about the laws in force in your country or your marina about discharging
your waste waters into the sea.
2) Use of toilets
- Every time the toilets are used, flush afterwards with copious amounts of water in the bowl
using the toilet pump (manual or electric).
- When you are leaving the boat for several days, flush with fresh water, using for example the
head's shower. Sea water that stagnates in the bowl gives off bad smells.
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