7
Control apparatus for use in conserving energy in domestic, commercial and industrial gas, liquid or solid fuelled heating systems; control devices for heating installations; heat exchange apparatus; heat recovery devices; pumps for pumping liquid in heating systems; parts, fittings and components relating to the aforesaid
11
Domestic, commercial and industrial gas, liquid or solid fuelled or renewable heating appliances and parts and fittings thereof; flues for heating boilers and heating apparatus; apparatus for blending heated and unheated water and control of the same; heat-accumulators; heat exchangers; ventilators for heat exchangers; heating elements; coils for heating; valves for use in heating installations; machines for the recovery of heat; devices for pre-heating water in heating systems through the use of hot flue gases; recuperators for pre-heating combustion air in heating systems through the use of hot flue gases; apparatus for controlling the distribution of fluid in central heating systems; boilers for heating systems; pre-assembled boiler and heat exchanger units; instantaneous water heaters; heat storage apparatus; expansion tanks for central heating installations; combined central heating and service water heaters; central heating apparatus; parts, fittings and components relating to the aforesaid; solar heating panels; solar panels for use in heating; and Solar energy powered heating installations and apparatus; water heating apparatus
41
Training services relating to installation and maintenance of renewable, gas, liquid or solid fuel heating systems, apparatus and components Education, advice and training all relating to energy, the use of energy, energy safety, and gas safety; fuel, oil and gas safety seminars; arranging and conducting of colloquiums, conferences, congresses, seminars, symposiums and workshops; information advice and consultancy services relating to all the aforesaid services
42
Professional consultancy relating to energy efficiency in buildings; research relating to technology; planning [design] of heating apparatus; energy-saving (Consultancy in the field of-); research, engineering, design, testing and development services all relating to renewable, gas, liquid, or solid fuelled heating systems, apparatus and installlations; testing and analysis of fuels, by-products and waste materials; professional inspection of buildings, installations, plant and machinery; information, advice and consultancy services relating to all the aforesaid services