Russell Hobbs RHCK04 Manuel D'instructions page 8

We recommend that you descale your kettle regularly, even in soft water areas. Lime
scale may be white, coloured, or even rusty-looking, but it is normally visible. Phosphate
scale is not generally visible, but there is always a build-up, even in soft water areas.
Any build-up of scale causes overheating, which reduces the life of the element, and
may trigger the boil-dry cut-out to engage. So, even in a soft water area, descale at least
monthly, to help keep your kettle in working order.
To descale your kettle:

Use a descaler suitable for plastic products (all kettles have plastic parts). Follow
the instructions on the descaler, then rinse several times, fill, boil and discard the
water, to remove all chemical residues.

Products returned under guarantee with faults related to scale will be subject to a
repair charge.

If you notice your kettle getting noisier – descale it.

Do not rely on visible scale, as phosphate scale is not visible. Rather descale the
kettle for preventative purposes.

Do not try to move or remove the diffuser – you will break it.
Water filter:

Scale particles suspended in the water may give it a cloudy or greasy
appearance.

The filter will prevent these particles going into your drink. If you see deposits on
the filter, clean it, otherwise the performance of your kettle will drop, your drinks
may contain scale, and the water inside the kettle may look cloudy.
Cleaning the filter:

The filter is located inside the kettle behind the spout.

With the lid open, gently pull the filter out of its retaining slot.

Lift the filter out of the kettle.

Rinse the filter in warm water and gently remove any scale with a soft brush.

To replace the filter, slide it down into its slot until it clicks into place.
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