STERWINS 110C EPW.3 Mentions Légales & Consignes De Sécurité page 151

3. DESCRIPTION OF SYMBOLS
Warning!
This machine must not be directly connected to the potable
water mains.
Caution! During operation the appliance must be in
vertical and positioned on a sturdy , stable surface.
Insulated, Class II appliance.
Guaranteed sound power level
Conforms to relevant safety standards.
EN
151