Note
Schedule descaling at the same time as the domestic hot water is
due to be drained.
1. Remove the inspection hatch.
2. Remove limescale deposits in the form of sludge or strips from the
bottom of the tank. On the other hand, do not touch limescale adher
ing to the walls of the tank as it provides effective protection against
corrosion and improves the insulation of the domestic hot water
tank.
3. Remove limescale deposits from the exchanger to guarantee its per
formance.
4. Reassemble the anode/inspection hatch unit.
For more information, see
Removing and remounting the inspection hatch, page 27
8.2.6 Cleaning the casing
1. Clean the outside of the appliance using a damp cloth and a mild
detergent.
8 Maintenance
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