9
Electric and electronic components; Collectors, electric; Current collectors; Solar energy collectors for electricity generation; Electric valves [thermionic]; Thermostatically controlled valves; Valves (Electric controls for automatically operating -); Apparatus, instruments and cables for electricity; Solar panels; Solar cells; Solar cells for electricity generation; Photovoltaics; Solar panels for the production of electricity; Apparatus and instruments for accumulating and storing electricity; Solar batteries; Controllers (regulators); Water temperature regulators; Central heating programmers; Monitoring instruments; Temperature monitors [valves] for central heating radiators; Thermostats; Solar panel arrays
11
Heating apparatus, electric; Burners, boilers and heaters; Heat accumulators; Solar thermal collectors [heating]; Sunlight collecting apparatus for heating purposes; Evacuated heat pipe solar collectors [heat exchangers]; Solar water heaters; Supports adapted for use with solar heating tubes; Solar energy powered heating installations; Thermal storage instruments [solar energy] for heating; Heat pumps; Heat pumps for energy processing; Heating apparatus and installations; Temperature control valves [parts of water supply installations]; Thermostatic valves [parts of heating installations]; Control devices [thermostatic valves] for heating installations; Radiant linear heating systems; Sanitary installations, water supply and sanitation equipment; Water dispensers; Hot water heaters; Water conduits installations; Hot water installations; Hot water apparatus; Hot water boilers; Heating, ventilating, and air conditioning and purification equipment (ambient); Solar powered ventilation apparatus
37
Installation of solar powered systems; Installation and maintenance of solar thermal installations; Pump repair or maintenance; Plumbing installation, maintenance and repair