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Changing the protective filter sock
Change the protective filter sock when the pressure loss increases or unusual contamination occurs. At the latest, however, after 6 months of operation.  When changing the limescale protection unit, also change the filter stocking.

Changing the limescale protection unit
The limescale protection unit is replaced as soon as the control lamp for the limescale protection has gone out. For hygienic reasons, always change the filter unit together with the limescale protection unit. Proceed as for changing the filter sock, but also remove the limescale protection unit with the latex glove and immediately recycle it together with the glove.

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