9
Electronic apparatus for controlling heating systems and installations, central heating systems and installations, boilers, oil fired boilers, gas fired boilers, gas fired and oil fired burners; computer software controlling heating systems and installations, central heating systems and installations, boilers, oil fired boilers, gas fired boilers, oil fired burners and gas fired burners
11
Heating apparatus, namely, hot water space heating apparatus, hot air space heating apparatus, heating boilers; heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or hot water circulates; heating installations; central heating systems and installations; heating boilers, industrial boilers, oil fired boilers and gas fired boilers; pipes for heating boilers; heating installations in the nature of burners or oil fired burners; gas fired burners; radiators
37
Maintenance, installation and repair of heating systems and installations, central heating systems and installations, boilers and burners; maintenance, installation repair of apparatus for controlling heating systems and installations, central heating systems and installations, boilers and burners; advice and consulting regarding the maintenance, installation and repair of heating systems and installations, central heating systems and installations, boilers and burners, apparatus for controlling heating systems and installations, central heating systems and installations, boilers and burners; providing information regarding the maintenance of, installation and repair of heating systems and installations, central heating systems and installations, boilers and burners, apparatus for controlling heating systems and installations, central heating systems and installations, boilers and burners
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