HT

Metal chimneys for use with installations and apparatus for heating, drying, refrigerating, ventilating and air-conditioning; metal pipes and metal tubing; metal storage bins and metal storage tanks; all made wholly or predominantly of metal

Compressors, namely, compressors for machines, compressors for air conditioners, refrigerator compressors; heat-exchangers being parts of machines; dust separators; air condensers; water condensers; pumps, namely, refrigerant recovery pumps, compressed air pumps, rotary pumps, screw pumps; valves, namely, pump control valves, servo-valves, valves for pumps; and filters, namely, air filters for motors and engines, air filters for mechanical purposes

Electronic control equipment, namely, electrical controllers, thermostats for refrigeration and freezing plants, climate control devices consisting of digital thermostats, air conditioning, heating, ventilation and drying control devices for refrigeration and freezing plants

Installations and apparatus for heating and/or drying, namely, heat exchangers not being parts of machines, radiators, furnaces, steam heating apparatus for industrial purposes, cooktops, commercial cooking ovens, industrial cooking ovens, domestic cooking ovens, cooking ranges, microwave ovens cooking apparatus, blow lamps for burning off or brazing dehydrators, industrial dryers for heating and dehumidifying dryers for the removal of water vapor from compressed air and gases, dryers used for the removal of solid, liquid and vapor contaminants from compressed air and gases; installations and apparatus for refrigerating, freezing and/or air conditioning, namely, air conditioners, evaporators for air conditioners, cooling evaporators, valves for air conditioners, valves being parts of air conditioning units, refrigerators, refrigeration and freezing plants, water cooling towers, industrial air filtering machines, separators for machines for cleaning and purification of air; separators for machines for cleaning and purification of gases, air filters for industrial installations, ventilating exhaust fans, ventilating fans for commercial and industrial use, ventilating louvers, ventilation hoods except for laboratory hoods, water purifiers apparatus, not chemical, water closets and cisterns, water filters and water filtering units, air filters for air conditioning units and air conditioners; control equipment, namely, climate control system consisting of air conditioners, and hot water heaters for refrigeration and freezing plants