9
Electric and electronic measuring, control and regulating apparatus, in particular for heating installations and regulators for heating installations; pressure indicator plug for valves; control valves; time switches; thermostats; electric and electronic installations and apparatus for the remote control of heating, ventilating, air conditioning, water supply and steam generating installations
11
Heating, ventilating, air-conditioning, water supply and steam generating installations, in particular oil, gas and dual-fuel burners, solar collectors and non-electric parts therefor, heating boilers for oil, gas and dual-fuel burners, and for solid fuels; heating plants mainly consisting of boilers, oil, gas or dual-fuel burners and/or solar collectors, heat accumulators, control and regulating apparatus, hydraulic distributors and parts therefor; lighters; water tanks and boilers; heating and circulation pumps; gas and oil heating installations and parts therefor, mainly consisting of heating apparatus, drip pots, heat exchangers, circulation pumps and exhaust gas installations with plastic or metal pipes; installations for the cogeneration of electricity and heat and parts therefor; heating apparatus; air conditioning installations, air heaters, atmospheric gas burners with gas boilers operated by atmospheric gas burners; sanitary installations, in particular shower cubicles, showers, hot air apparatus, hot air bath fittings, shower cubicles and enclosures, air-conditioners, sauna bath installations, heat pumps, sinks, basins, heating apparatus, ventilation, water supply and water distribution for sanitary purposes, solar collectors (heating), washers for taps, hot water production apparatus, sanitary installations; water heaters, mainly consisting of heat exchangers and reservoirs
37
Installation, assembly, maintenance and repair of heating, ventilating, water- supply and air- conditioning installations