11 Heating, steam producing and cooking devices, in particular, ovens, baking ovens, electric fryer, electric, barbeque grills, electric toasters, plate warmers, immersion heaters, electric cooking pots, microwave ovens, electric tea kettles and coffee machines, refrigerators, freezers, combination fridge-freezers, deep freezers, ice-makers; electric ice-cream makers; electric laundry driers; electric tumble driers for laundry use; hand driers; hair driers; ventilation devices, in particular, ventilating extractor hoods for kitchens and grease filters used in connection with grease containment systems for cooking areas; air conditioning installations; devices to improve air quality, namely, air humidifiers; water piping devices in the form of water filtration units; sanitary equipment, fittings for steam, air and water piping, namely, pipes being parts of sanitary facilities; warm water devices, namely, water heaters; storage water heaters, namely, hot water tanks; continuous flow water heaters; kitchen sinks; heat pumps