Miele PWM 300 SmartBiz Operating And Installation Instructions page 13

Accessories

Accessory parts may only be fitted when expressly approved by
Miele. If other parts are used, warranty, performance, and product li-
ability claims will be invalidated.

Miele tumble dryers and Miele washing machines can be installed
as a washer-dryer stack. This requires a Miele washer-dryer stacking
kit which can be purchased separately. Please ensure that the
washer-dryer connection kit is suitable for the Miele tumble dryer
and the Miele washing machine.
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If installing the machine on a Miele plinth (available as an optional
accessory), please make sure you order the correct one for this
washing machine.
Miele cannot be held liable for damage caused by non-compliance
with these warning and safety instructions.
Warning and safety instructions
13