06
Fittings of metal or mainly of metal, especially for
heating, steam generating, cooking, refrigerating, drying,
ventilation apparatus and water pipes as well as for
sanitary installations and residual water conduits,
especially for central heating equipment, for solar plants,
heat exchangers, steam, compressed air, water and gas lines
and pipes; valves for heating bodies, bypasses, pipe
couplings, these products being of metal or mainly of metal;
screws, nuts, sleeves, metal ironmongery and locksmithing
articles, metal pipes, parts and fittings of metal or mainly
of metal, the abovementioned goods; plinths of metal or
mainly of metal, fastenings for radiators, holding wires of
metal for gas pipes and electrical conduits
07
Valves, pipes, cocks and pistons (parts of machines) and
components thereof, separators (non-automatic) for steam
heating installations
09
Electrical equipment, electrical connection parts and
display apparatus (electric); detectors, electronic display
panels; weighing, measuring and signalling and monitoring
apparatus and instruments; measuring and counting apparatus;
apparatus for measuring and displaying temperature,
apparatus for measuring and displaying water level,
apparatus for measuring and displaying pressure,
remote-control apparatus, regulating apparatus, thermostats;
all the aforesaid goods being also electronically
controlled; parts, fittings and accessories for the
abovementioned goods, namely valve caps, remote switches,
electric cables, solenoid-operated valves, membranes,
calibrating rings, illuminated signboards, pressure gauges,
switches, timer switches (other than for clock movements),
ringing bells, sirens, variometers for all of the
aforementioned goods, valves for thermostats, computer
programs (recorded)
11
Heating apparatus for steam generation, drying, ventilation,
sanitary installations and water pipes; valves as well as
fittings for actuating and adjusting the aforementioned
goods; regulating and security fittings for heating
apparatus, steam generation, cooking, refrigeration, drying,
ventilation and water pipes as well as for sanitary
installations, radiators and residual water conduits,
especially for central heating equipment, solar plants, heat
exchangers, steam, compressed air, water and gas lines and
pipes; parts, fittings and accessories for all of the
aforementioned goods, namely endpieces for gas burners,
igniters (igniting apparatus), compensating reservoirs for
central heating, hand basins, clack valves for radiators and
heating installations; stopper plugs for heating bodies;
humidifiers for heating elements of central heating systems
17
Semi-processed plastic goods, sealing, caulking and
insulating material; hoses; fittings made of mainly
non-metal materials for steam pipes, compressed air,
heating, water and gas as well as for heating apparatus,
steam generation, drying, ventilation and water pipes as
well as for sanitary installations; fittings made of mainly
non-metal materials for central heating systems; bypasses,
pipe couplings made of mainly non-metal materials, seals,
non-metal pipe couplings and joints made of non-metallic
materials
19
Fittings made of non-metallic materials for apparatus for
heating, steam generation, cooking, refrigeration, drying,
ventilation and water pipes as well as for sanitary
installations, especially for central heating installations,
steam, compressed air, water and gas lines and pipes;
non-metallic pipes as well as parts, fittings and
accessories for the abovementioned goods, namely bypass
pipes and flow pipes (not of metal); pipes, branch parts and
line pipes (not of metal), non-metallic plinths; rigid
pipes
20
Fittings made of non-metallic materials for apparatus for
heating, steam generation, cooking, refrigeration, drying
ventilation and water pipes as well as for sanitary
installations, especially for central heating installations,
for steam, compressed air, water and gas lines and pipes, as
well as parts, fittings and accessories for the
abovementioned goods, namely closing caps not of metal;
clack valves of plastic or mostly made of plastics for line
pipes, valves, swing valves (not of metal), flap valves (not
of metal)
22
Clamping wires not made of metal for gas pipes and
electrical conduits
37
Construction, repair, and installation and maintenance work
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