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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
oil burning [ cooking and ] heating stoves, and parts thereof and accessories thereto, including burners, [ broilers, ovens, toasters ] and wicks; [ cooking ranges using oil, natural gas, or liquefied petroleum; ] oil, natural gas, and liquefied petroleum burning space and room heaters; [ water heaters burning oil, natural gas, and liquefied petroleum ] oil, natural gas, and liquefied petroleum burning warm air furnaces, [ including floor furnaces; natural gas and liquefied petroleum burning incinerators; room air conditioners and accessories therefor; heat pump ] and gas infrared generators for heating and processing; [ air conditioning equipment; air conditioning apparatus for use in connection with furnaces and otherwise; gasoline and oil burning heaters for preheating internal combustion engines, and for heating accessories therefor, such as batteries, intake manifolds, oil pans and pumps, fuel pumps and fluid transmissions, and for thawing ice from working parts of tractors and other vehicles; and gasoline and oil burning heaters supplying warm fresh air to otherwise unheated areas where persons are required to work, or to the personnel and cargo compartments of conveyances ]