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Heating boilers; Heat pumps; Heaters for baths; Electric kettles; Burners; Friction lighters for igniting gas; Solar thermal collectors [heating]; Gas lighters; Igniters; Regulating and safety accessories for water apparatus; Regulating and safety accessories for gas apparatus; Regulating and safety accessories for gas pipes; Regulating accessories for water or gas apparatus and pipes; Safety accessories for water or gas apparatus and pipes; Heat accumulators; Steam accumulators; Hot air ovens; Distillation apparatus; Feeding apparatus for heating boilers; Hot air apparatus; Hydromassage bath apparatus; Aquarium filtration apparatus; Ionization apparatus for the treatment of air or water; Heating apparatus for solid, liquid or gaseous fuels; Drying apparatus and installations; Cooling appliances and installations; Refrigerating appliances and installations; Water softening apparatus and installations; Sanitary apparatus and installations; Ventilation [air-conditioning] installations and apparatus; Heating apparatus, electric; Water purifying apparatus and machines; Air purifying apparatus and machines; Bath fittings; Hot air bath fittings; Air conditioning apparatus; Water filtering apparatus; Fumigation apparatus, not for medical purposes; Air deodorising apparatus; Gas cleaners and purifiers; Oil-scrubbing apparatus; Disinfectant apparatus; Water intake apparatus; Alcohol burners; Incandescent burners; Burners for lamps; Immersion heaters; Acetylene burners; Oil burners; Gas burners; Laboratory burners; Germicidal burners; Oxyhydrogen burners; Gas boilers; Boilers, other than parts of machines; Laundry room boilers; Apparatus for heating; Socks, electrically heated; Chambers (Clean -) [sanitary installations]; Cold storage rooms; Flues for heating boilers; Exhaust hoods for kitchens; Ventilation hoods; Distillation columns; Gas condensers, other than parts of machines; Chimney flues; Water-pipes for sanitary installations; Gas scrubbers [parts of gas installations]; Air valves for steam heating installations; Light diffusers; Light-emitting diodes [LED] lighting apparatus; Air cooling apparatus; Heating frames; Laundry dryers, electric; Drying installations; Driers (Air -); Evaporators; Filters for air conditioning; Acetylene generators; Microbubble generators for baths; Steam boilers, other than parts of machines; Air conditioning installations; Air conditioners for vehicles; Water distribution installations; Steam generating installations; Heating installations; Hot water heating installations; Heaters for vehicles; Ventilation [air-conditioning] installations for vehicles; Cooling installations and machines; Air filtering installations; Processing installations for fuel and nuclear moderating material; Water purifying installations; Sewage purification installations; Water supply installations; Radiators, electric; Radiators [heating]; Central heating radiators; Water cooling installations; Cooling installations for liquids; Nuclear reactors; Refrigerating containers; Heat regenerators; Refrigerators; Chimney blowers; Dampers [heating]; Water heaters [apparatus]; Air heating apparatus; Taps [faucets]; Mixer taps for water pipes; Taps [cocks, spigots] [faucets (Am.)] for pipes; Water heaters; Heaters for heating irons; Bed warmers; Pressure water tanks; Coils [parts of distilling, heating or cooling installations]; Fans [parts of air-conditioning installations]; Sterilisers; Water sterilizers; Air sterilisers; Stoves [heating apparatus]; Radiator caps; Boiler pipes [tubes] for heating installations; Drip irrigation emitters [irrigation fittings]; Humidifiers for central heating radiators; Level controlling valves in tanks; Valves (Thermostatic -) [parts of heating installations]; Steam facial apparatus [saunas]; Baths (Spa -) [vessels]; Bathtubs; Expansion tanks for central heating installations; Air conditioning fans; Fans (Electric -) for personal use; Refrigerated display cases; Heated display units; Solar thermal collectors [heating]; Solar thermal collectors [heating]; Solar thermal collectors [heating]; Separators for scrubbing gas; Separators for scrubbing air; Separators for removing condensation by refrigeration