11 Apparatus for heating, namely, water heaters, steam generating, namely, generators, cooking, namely, ovens, refrigerating, namely, refrigerators, drying, namely, clothes drying, ventilating, namely, hoods, water supply, namely, metered valves and sanitary purposes, namely, plumbing valves; cooking apparatus and installations, namely, gas stoves and ovens; expansion water tanks for central heating installations; electric boilers, other than parts of machines; fans air-conditioning; fans parts of air-conditioning installations; electric fans for personal use; water heaters; air reheaters; extractor hoods for kitchens; acetylene burners; gas burners; heating apparatus, namely, furnaces; fireplaces, domestic; chimney flues; air valves for steam heating installations; heaters for baths; gas stoves; water filtering apparatus; air purifying apparatus and machines; sanitary apparatus and installations, namely, plumbing valves; heating apparatus for solid, liquid or gaseous fuels; heating apparatus, electric, namely, water heaters; hot air blowers; safety accessories for water or gas apparatus and pipes, namely, valves; regulating and safety accessories for gas apparatus, namely, valves; regulating accessories for water or gas apparatus and pipes; radiators heating; central heating radiators; radiators, electric; air dryers, namely, dehumidifiers; pipes parts of sanitary installations, namely, pressure regulators; flues for heating boilers; boiler pipes tubes for heating installations; humidifiers for central heating radiators; water valve conduits installations for plumbing purposes; air conditioning installations; water distribution installations, namely, plumbing valves; air filtering installations; ventilation air-conditioning installations for vehicles; cooling installations and machines, namely, air conditioners and ice making machines; heaters for vehicles; heating installations; hot water heating installations; water supply installations, namely, metered valves; water filters being parts of household or industrial installations; filters for air conditioning; refrigerating cabinets; heating elements; humidifiers for household purposes; industrial humidifiers