Installation, maintenance, servicing, repair and replacement of heating, cooling and water supply installations, heating, cooling and water supply systems, heating, cooling and water supply equipment, electricity generators, boilers, water heaters and air conditioning apparatus and parts and fittings of heating installations, heating systems, heating equipment and boilers; installation, maintenance, servicing, repair and replacement of ventilation systems and equipment; installation, maintenance, servicing, repair and replacement of safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection and parts and fittings of safety systems for disabling power; provision of information, consultancy and advisory services relating thereto.

Installation, maintenance, servicing, repair and replacement of heating, cooling and water supply installations, heating, cooling and water supply systems, heating, cooling and water supply equipment, electricity generators, boilers, water heaters and air conditioning apparatus and parts and fittings of heating installations, heating systems, heating equipment and boilers; installation, maintenance, servicing, repair and replacement of ventilation systems and equipment; installation, maintenance, servicing, repair and replacement of safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection and parts and fittings of safety systems for disabling power; provision of information, consultancy and advisory services relating thereto.

Fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; measuring, regulating, signalling and checking apparatus and instruments; thermostatic controls for heating apparatus, thermometers; temperature gauges; timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; relays; circuit breakers; actuator drive interfaces for dampers; parts and fittings for the aforesaid goods.

Apparatus and installations for heating; boilers; gas fires; gas boilers; control systems for gas and gas boilers; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems;  flues; apparatus for ventilation and air control; parts and fittings for all the aforesaid goods.

Electrical and electronic apparatus and instruments all being for heating and water supply; thermostats; electric regulating, measuring and checking apparatus and instruments; switches; thermometers; temperature gauges; timing devices; thermostatic controls for heating apparatus, appliances and installations.

Apparatus and installations for heating, ventilation and water supply; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; control systems for gas heaters and gas boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; actuator drive interfaces for dampers; apparatus for ventilation and air control; heat pumps; parts and fittings for all the aforesaid goods.

Apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; batteries.

Apparatus and installations for heating; domestic heating appliances; boilers; gas fires; gas boilers; control systems for gas and gas boilers; illumination effects for gas fires; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; actuator drive interfaces for dampers; apparatus for ventilation and air control; parts and fittings for all the aforesaid goods.

Apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; batteries; fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; measuring, regulating, signalling and checking apparatus and instruments; electronic controls and control panels for heating installations, heating systems and /or boilers; operation and control apparatus and thermostats; thermostatic controls for heating apparatus; thermometers; temperature gauges; timers, timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; control apparatus and instruments for heating installations, heating systems and/or boilers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; switches; thermostatically controlled switches; relays; circuit breakers; actuator drive interfaces for dampers; programming apparatus and devices, temperature indicators and temperature sensors; ignition apparatus; valves; parts and fittings for the aforesaid goods; computer software and computer hardware.

Apparatus and installations for heating, ventilation and water supply; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; control systems for gas heaters and gas boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; actuator drive interfaces for dampers; apparatus for ventilation and air control; heat pumps; electrical and electronic apparatus and instruments all being for heating and water supply; parts and fittings for all the aforesaid goods.

Apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; batteries; fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; measuring, regulating, signalling and checking apparatus and instruments; electronic controls and control panels for heating installations, heating systems and /or boilers; operation and control apparatus and thermostats; thermostatic controls for heating apparatus; thermometers; temperature gauges; timers, timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; control apparatus and instruments for heating installations, heating systems and/or boilers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; switches; thermostatically controlled switches; relays; circuit breakers; actuator drive interfaces for dampers; programming apparatus and devices, temperature indicators and temperature sensors; ignition apparatus; valves; parts and fittings for the aforesaid goods; computer software and computer hardware; apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; batteries; fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; measuring, regulating, signalling and checking apparatus and instruments; electronic controls and control panels for heating installations, heating systems and /or boilers; operation and control apparatus and thermostats; thermostatic controls for heating apparatus; thermometers; temperature gauges; timers, timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; control apparatus and instruments for heating installations, heating systems and/or boilers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; switches; thermostatically controlled switches; relays; circuit breakers; actuator drive interfaces for dampers; programming apparatus and devices, temperature indicators and temperature sensors; ignition apparatus; valves; parts and fittings for the aforesaid goods; computer software and computer hardware.

Apparatus and installations for heating, ventilation and water supply; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; control systems for gas heaters and gas boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems;  apparatus for ventilation and air control; heat pumps; parts and fittings for all the aforesaid goods; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; control systems for gas heaters and gas boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems;  apparatus for ventilation and air control; heat pumps; Electrical and electronic apparatus and instruments all being for heating and water supply; parts and fittings for all the aforesaid goods.

Apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; batteries; fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; measuring, regulating, signalling and checking apparatus and instruments; electronic controls and control panels for heating installations, heating systems and /or boilers; operation and control apparatus and thermostats; thermostatic controls for heating apparatus; thermometers; temperature gauges; timers, timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; control apparatus and instruments for heating installations, heating systems and/or boilers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; switches; thermostatically controlled switches; relays; circuit breakers; actuator drive interfaces for dampers; programming apparatus and devices, temperature indicators and temperature sensors; ignition apparatus; electronic control valves; control systems for gas heaters and gas boilers; parts and fittings for the aforesaid goods; computer software and computer hardware.

Apparatus and installations for heating, ventilation and water supply; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; apparatus for ventilation and air control; heat pumps; electrical and electronic apparatus and instruments all being for heating and water supply; parts and fittings for all the aforesaid goods.

Electric and electronic remote control apparatus and instruments for the operation of heating installations, heating systems and/or boilers; apparatus for electricity distribution; apparatus for electricity supply; fire, flame, smoke, gas and/or temperature detecting and indicating apparatus and instruments; gas detectors; gas sensors; heat sensors; regulating, signalling and checking apparatus and instruments; electronic controls and control panels for heating installations, heating systems and /or boilers; thermostats; thermostatic controls for heating apparatus; thermometers; temperature gauges; timers, timing devices; alarms, alarm systems and alarm sounders; control apparatus, control units and control systems; control apparatus and instruments for heating installations, heating systems and/or boilers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; safety systems for disabling power in the event of fire, flame, smoke, gas and/or temperature detection; switches; thermostatically controlled switches; relays; circuit breakers; actuator drive interfaces for dampers; programming apparatus and devices, temperature indicators and temperature sensors; thermostatically controlled valves; parts and fittings for the aforesaid goods.

Apparatus and installations for heating, ventilation and water supply; domestic heating systems and appliances; solar heating systems and appliances; boilers; heating boilers; combination boilers; combined heat and power boilers; water heaters; gas fires; gas boilers; control systems [thermostatic valves] for gas heaters and gas boilers; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; apparatus for ventilation and air control; heat pumps; ignition apparatus for heating installations, heating systems and/or boilers; parts and fittings for all the aforesaid goods.

Apparatus for electricity distribution; apparatus for electricity supply; electricity storage apparatus; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; thermostats, thermostatic controls for heating apparatus, appliances and installations; batteries.

Apparatus and installations for heating, ventilation and water supply; domestic and commercial heating systems and appliances; solar heating systems and appliances; boilers; water heaters; gas fires; gas boilers; control systems for boilers; combined heat and power boilers (CHP), central heating boilers; illumination effects for gas fires; flues; smoke and fire dampers; dampers for use in heating and ventilating apparatus and equipment; dampers for use in air ducted systems; actuator drive interfaces for dampers; apparatus for ventilation and air control; heat pumps, thermostatic valves; parts and fittings for all the aforesaid goods.