09
Checking (supervision), control and regulating apparatus for
heating, water heating, combined heating and water heating,
and ventilating apparatus, powered by electricity, oil, gas,
geothermal heat, solar power, ambient air heat or renewable
fuels, for solar collectors and pumps and for parts for the
aforesaid goods; photovoltaic collectors
11
Heating, water heating, combined heating and water heating,
and ventilating apparatus, solar collectors and heat pumps
and parts for the aforesaid goods, powered by electricity,
oil, gas, geothermal heat, solar power, ambient air heat or
renewable fuels, in particular fittings and replacement
parts, in particular room and building heaters,
instantaneous water heaters, storage water heaters,
circulation water heaters, air heaters, hot water tanks,
solar hot water tanks, instantaneous water heating
apparatus, circulation water heating apparatus, storage
water heating apparatus, water and air heaters, bath water
and drinking water heaters, wall-mounted boilers, tankless
water heating apparatus, tankless drinking water heaters,
for central and/or decentral heating and hot water
supplying, being in the form of wall-mounted, floor-standing
apparatus or apparatus for installation, in particular wall
installation, and individual assemblies therefor, in
particular heat exchangers, heating boilers, burners, heat
accumulators; solar collectors for heating purposes
37
Assembly, installation and repair of heating, water heating,
combined heating and water heating, and ventilating
apparatus, solar collectors and pumps and parts for the
aforesaid goods, powered by electricity, oil, gas,
geothermal heat, solar power, ambient air heat or renewable
fuels within the scope of service and after sales service;
consultancy with regard to the repair of heating and hot
water systems, and telephone call centre and hotline
services in the field of maintenance and emergency services
(repair)
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