Gas boilers for water heating;Heating installations for gas;Gas boilers for central heating;Gas fired heating installations;Gas boilers;Gas water heaters;Gas fuelled central heating installations;Gas fired space heating apparatus;Gas fired space heating installations;Gas stoves;Gas ovens;Gas fired heaters;Gas water heaters [for household use];Stoves for heating;Gas fired back boiler units for domestic central heating;Gas burners;Burners (Gas -);Heating boilers;Cylinders for the heating of water;Gas space heaters;Gas cookers;Electric central heating boiler systems;Gas cooking appliances;Gas fires.

Under floor heating systems, manifolds, pump stations, thermostatic mixing valves and pump stations, underfloor heating pipe, electric underfloor heating mats, actuators.

Underfloor heating systems, electric heaters, loose wiring heating kits.

Solar installations for generating electrical energy from the rays of the sun, and components therefor; photovoltaic installations being units and individual components therefore, solar modules of silicon or other semiconductors; solar panels; programmable timers for switching on electrical devices and switching them off at the pre-programmed times all for control of heating systems, air conditioning systems, or ventilation systems; electric resistance heating elements; electrical and electronic control apparatus and instruments for use with heating, air conditioning or ventilating systems; thermostats; thermostat devices for use with immersion heaters; pressure regulating apparatus and instruments for water systems and heating installations; electric measuring apparatus and instruments for monitoring and control of heating, ventilating and air conditioning installations; thermometers; temperature gauges; electric resistance heating elements; parts, fittings and associated equipment for all the aforesaid goods.

Apparatus and installations, for air conditioning, heating, cooling and ventilation; parts, fittings and associated equipment for all the aforesaid goods; dehumidifiers; apparatus and installations for heating or cooling air; heat exchangers and parts and components thereof; apparatus for air conditioning, air conditioning installations, hot air apparatus, air heaters; installations for recovering warm air; air sterilisers; air humidification apparatus and instruments; fans; central heating systems; water heaters; electronic immersion heaters, electric boilers; water heaters, boilers, hot water pressure tanks; heaters for baths and showers; regulating and safety devices and apparatus, all for heating systems, for water apparatus and water pipes; thermostatic valves for controlling the flow of water, or air; thermostatic water mixing valves; parts and fittings for water supply, water distribution, sanitary and heating installations.

Heating installations;Heat pumps;Radiators [heating];Heating boilers;Under floor heating;Water heating installations;Central heating boilers;Central heating radiators;Industrial heating installations.

Central heating installation;Heating contractor services;Heating equipment installation;Plumbing;Plumbing services;Maintenance of plumbing;Installation of plumbing;Renovation of plumbing;Plumbing installation, maintenance and repair;Plumbing and gas and water installation.

Plumbing;Plumbing and gas and water installation;Plumbing installation advisory services;Plumbing installation, maintenance and repair;Plumbing maintenance advisory services;Plumbing repair advisory services;Plumbing services;Heating contractor services;Heating equipment installation;Heating equipment installation and repair;Heating equipment repair;Advisory services relating to the installation of heating and cooling apparatus;Advisory services relating to the installation of plumbing;Advisory services relating to the installation of solid fuel heating systems;Advisory services relating to the maintenance and repair of mechanical and electrical equipment;Advisory services relating to the maintenance of plumbing;Advisory services relating to the renovation of property;Advisory services relating to the repair of environmental control systems;Advisory services relating to the repair of plumbing;Plumbing;Plumbing and gas and water installation;Plumbing and glazing services;Plumbing apparatus (Rental of -);Plumbing installation advisory services;Plumbing installation, maintenance and repair;Plumbing maintenance advisory services;Plumbing repair advisory services;Plumbing services;Advice relating to preventing blockages in plumbing lines;Advisory services relating to the installation of plumbing;Advisory services relating to the maintenance of plumbing;Advisory services relating to the repair of plumbing;Beneath ground construction work relating to plumbing;Installation of plumbing;Installation of plumbing systems;Maintenance of plumbing;Renovation of plumbing;Rental of plumbing apparatus;Advisory services relating to the installation of heating and cooling apparatus;Advisory services relating to the installation of solid fuel heating systems;Central heating installation;Construction of geothermal community heating installations;Construction of geothermal heating installations;HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair;Maintenance and repair of heating;Maintenance and repair of heating apparatus;Maintenance and repair of heating installations;Maintenance and repair of solar heating installations;Repair of heating apparatus;Retrofitting of heating installations in buildings;Retrofitting of heating, ventilating and air conditioning installations in buildings;Routine servicing of heating apparatus;Heating contractor services;Heating equipment installation;Heating equipment installation and repair;Heating equipment repair.

Electric apparatus and instruments, namely: potentiometers, programmers and regulators for flat linear guides, condensers, variable condensers, regulators, coils and coil bodies for electric and electronic circuits, ferrite and iron cores, diodes, transistors, thyristors and triacs, integrated circuits and logic circuits, photodiodes and light diodes, phototransistors, rectifiers, heat diffusers for electric, electronic and optoelectronic components, switches, feeler pins, relays, transformers, protective devices, holders for electric and electronic or optoelectronic components, plugs and bushings; Ballasts, including electronic ballasts, electro-magnetic ballasts, dimmable electro-magnetic ballasts; Resistances, electric; Devices and sensors for measurements in fused masses, in particular castings of metal and cryolite, in particular for measuring temperature; Resistance wires; Resistance boxes; Magnetic resistance sensors; Electrical resistance coils; Resistances, electric; Insulation resistance meters; Resistance measuring instruments; Resistance oscillator thermometers; Resistance temperature detectors; Resistance testing apparatus; Variable resistances; Resistances, electric; Inductive resistors; Ballasts for electrical lighting fittings; Force sensing resistors; electrical resistance materials, In particular in the form of wires, flat-rolled wires; Thermocouples, Thermocouple wires; Electric and electronic measuring, checking (supervision) and surveillance apparatus and instruments; Base material for electronic components, base material for electronic circuits; Parts for electrical and electronic apparatus, including element carriers, coil formers, connecting pieces, in particular ceramic parts therefor; Electronic components, namely substrates for technology with both thick and thin layers, substrates, metallised and non-metallised, ceramics, metallised; Housings for semi-conductors, chip-carriers, pin grid arrays, Sensor, Heat sinks; Piezoceramic components and construction elements for converting electrical energy into kinetic energy, and vice versa, and assemblies constructed therefrom, piezoelectric tone generators, sound and ultrasound generators, movement sensors, actuators, fuses, sound transducers and motion converters; Components for laser installations, including laser resonators, resonator elements, longitudinal and transverse stabilisers, supports and other parts, in particular ceramic components therefor; Components for concentration metering cells, fuel cells; Base material for sensors, in particular ceramic base material therefor; Components for oxygen sensors and pressure sensors, in particular ceramic components therefor; Heat-resistant and chemical-resistant parts, including panels, housing parts for solar energy-generating installations and energy-converting installations (electricity), in particular ceramic parts therefor; Heat-resistant and chemical-resistant parts, including panels, housing parts for fuel cell parts, in particular ceramic parts therefor; PTC heaters, micro-tubular heaters, nozzle band heaters; Sintered bodies of metal, namely heating resistors; Resistors for thick film; Ceramic blocks for insulating electric resistors; Luminous indicators.

Control and checking equipment for gas and oil burners; Installations for lighting, heating, steam generation, cooking, refrigerating, drying, ventilating, and water supply; Apparatus for steam generating, cooking, ventilating, namely cartridge heaters, domestic heating solutions; Straight and immersion cartridge heaters; Strip, finned, anti-condensation, nozzle, flat plate, band, air process, infra-red, tape, tube, immersion and crank-case heaters; Heating lamps; Heating radiators; Heating mats; Thermoelectric coolers; Heat pump assemblies; Ventilating fans; Axial fans; Hot air circulation fans; Evaporators; Apparatus and parts therefor for heating, steam generating, cooking, refrigerating, drying and ventilating; Electric heating resistors, electric cookers; Electric ovens and Support stands; Radiating elements; Temperature controlling baths; Commercial, industrial, and process heaters and furnaces; Hot plates for the laboratory; Heating mantels; Soft metal heating pots; Radiators, electric; Bent tubular heaters and Etched heating elements; Thin plate immersion heaters; Ceramic radiant heating elements; Band heaters; Enclosure heaters; Flexible rope heaters, Strip, sheath strip, finned strip and seamless strip heaters; Ring heaters; Cartridge and sheath cartridge heaters; Electric stud heaters; Tubular, finned tubular and round tubular heaters; Immersion heaters; Pipe insert heaters; Circulation heaters; Nozzle heaters; Air duct heaters; Infrared panel heaters; Ceramic plate and ceramic ribbon heaters; Radiant ovens; Forced air unit heaters; Wall-mounted compressed air heaters, Ceiling forced air unit heaters; Convection heaters, wall mounted convection heaters; Portable forced air heaters; Portable radiant heaters; Blower heaters; Flexible heaters; Silicone rubber fiberglass insulated heaters; Insulated heaters; Heating tapes; Drum heaters; Bench top muffle furnaces; Hot plates for the laboratory; High vacuum substrate heaters; Soft metal heating pots; Components for combustion chambers, in particular ceramic components therefor; elements (heating-); Heat-resistant and chemical-resistant parts, including panels, housing parts for heat energy-generating installations and heat energy-converting installations, in particular ceramic parts therefor; Heat-resistant and chemical-resistant parts, including panels, housing parts for combustion chamber parts, in particular ceramic parts therefor.

Central heating apparatus and installations.

Plumbing services; installation, maintenance, service and repair of domestic and commercial gas pipework and appliances; installation, maintenance, service and repair of domestic and commercial heating and cooling apparatus; installation, maintenance, service and repair of domestic and commercial heating, ventilation and air conditioning (HVAC) apparatus; installation, maintenance, service and repair of domestic and commercial refrigeration apparatus.

Solar installations for generating electrical energy from the rays of the sun, and components therefor; photovoltaic installations being units and individual components therefore, solar modules of silicon or other semiconductors; solar panels; programmable timers for switching on electrical devices and switching them off at the pre-programmed times all for control of heating systems, air conditioning systems, or ventilation systems; electric resistance heating elements; electrical and electronic control apparatus and instruments for use with heating, air conditioning or ventilating systems; thermostats; thermostat devices for use with immersion heaters; pressure regulating apparatus and instruments for water systems and heating installations; electric measuring apparatus and instruments for monitoring and control of heating, ventilating and air conditioning installations; thermometers; temperature gauges; electric resistance heating elements; parts, fittings and associated equipment for all the aforesaid goods.

Apparatus and installations, for air conditioning, heating, cooling and ventilation; parts, fittings and associated equipment for all the aforesaid goods; dehumidifiers; apparatus and installations for heating or cooling air; heat exchangers and parts and components thereof; apparatus for air conditioning, air conditioning installations, hot air apparatus, air heaters; installations for recovering warm air; air sterilisers; air humidification apparatus and instruments; fans; central heating systems; water heaters; electronic immersion heaters, electric boilers; water heaters, boilers, hot water pressure tanks; heaters for baths and showers; regulating and safety devices and apparatus, all for heating systems, for water apparatus and water pipes; thermostatic valves for controlling the flow of water, or air; thermostatic water mixing valves; parts and fittings for water supply, water distribution, sanitary and heating installations.