Devon&Devon HUF94, Operation And Maintenance

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6) Clean the filters under running water. To remove limescale from the cartridge, soak it overnight in vinegar
or a descaling solution. Rinse the cartridge thoroughly, clean the inside of the mixer tap body using a damp
cloth and lubricate the sealing rings around the cartridge.
7) Reassemble the cartridge by screwing it clockwise into the body.
8) First reinsert the friction washer and then the white plastic ring so that the red mark is positioned at
12 o’clock in relation to the mixer tap.
9) Open the water inlets by turning the screws on the caps of the check valves anti-clockwise.