11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
steam accumulators; heat accumulators; water heaters apparatus, namely, hybrid water heater; gas water heater; hot water heater; induction water heaters; feed water heaters for industrial purposes; water heaters for domestic, commercial or industrial use; water heaters; gas burners; chimney flues; gas boilers, namely, furnace boilers, heating boilers, boilers for heating installations, industrial boilers; heating boilers; heat pumps; steam boilers, other than parts of machines, namely, furnace boilers, heating boilers, boilers for heating installations, industrial boilers; heating apparatus for solid, liquid or gaseous fuels; steam generating installations; heating installations; hot water heating installations