11 Coils as parts of distilling, heating or cooling installations; Components for air conditioning and cooling systems, namely, evaporative air coolers; Cooling evaporators; Evaporators for air conditioners; Heat exchangers not being parts of machines; Heat exchangers, other than parts of machines; Heat pipes to cool heat producing components; Parts for heating and air conditioning systems, namely, heater cores and gas coolers for vehicles; Gas condensers, other than parts of machines; Refrigerator condensers