Burners and boilers, смотри27.060
Central heating systems, смотри91.140.10
ICS Поле
97.100.01 Heating appliances in general
97.100.10 Electric heaters
97.100.20 Gas heaters
97.100.30 Solid fuel heaters
97.100.40 Liquid fuel heaters
97.100.99 Heaters using other sources of energy