S SOURCE TO EMITTER

Machines not included in other classes; machine tools; machine coupling and transmission components (except for land vehicles); expansion vessels, air and dirt separators, safety valves, pipe clamps [parts of machines]; valves (parts of machines), including safety valves, fitted or not fitted with manometers, mixing valves, pressure reducing valves and pressure difference valves; de-aerators; one-way valves and shut-off one-way valves (parts of machines); the aforesaid products including, for use as parts in pumps, machines and boilers (machines), compressor and pump-driven expansion machines, air separators for use in connection with refrigerating and/or central heating installations; pressure vessels and expansion vessels (parts of machines); pressurization systems for heating and cooling installations

Heating, cooling, ventilation and water supply equipment and installations, sanitary installations; parts and fittings for the aforesaid goods, not included in other classes; combinations of expansion tanks for central heating systems, air vents and safety valves therefor; used air separators in connection with cooling and / or central heating installations; expansion tanks for central heating systems; air filters [equipment], air exchange and air filter devices and installations; separators for dirt being parts of heating and chilled water systems; breather valves and air separators for hot water central heating systems [automatic and electric]; all the aforesaid products in the field of heating, ventilation and air conditioning

Construction, installation, maintenance and repair services of heating, cooling and solar systems; installation, repair and maintenance of renewable energy installations, including solar heating systems; information, advisory and consultancy services relating to all aforementioned services

Scientific and technological services and research, development and design of heating, cooling, and solar heating systems; development and design of water supply, gas, heating, cooling and solar heating installations and apparatus; technical design services relating to heating, cooling and solar installations; design and development of components for gas, heating, cooling and solar heating systems; technical assessment of installations for the supply of water, gas, heating and cooling installations and apparatus; research in the field of energy; technical and compliance advice relating to energy efficiency in buildings; technical advice in the field of energy-saving; information, advisory and consultancy services relating to all aforementioned services