[Class : 11] Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Hot Water Boilers With Gas Or Oil Burners; Heating Boilers; Heating Boiler Feeders; Heating Boiler Flues And Tubes; Boilers For Water Heaters; Laundry Boilers; Central Heating Boilers And Their Parts; Boilers For Water And Steam Production And Their Parts; Refrigeration And Conditioning Apparatus And Their Parts; Ventilation Installations; Solid, Gaseous And Liquid Fuel Heating Apparatus; Immersion Heaters; Central Heating Radiators; Central Heating Elements; Water Heaters; Autoclaves; Water Heating Apparatus; Air Heaters And Air Conditioning Apparatus And Installation And Their Parts; Heat Accumulators; Heat Regenerators; Boilers.