Electrical apparatus and installations; electrical control apparatus; electrical regulating apparatus; heat and temperature regulating apparatus; automatic temperature regulators; electrical resistance elements; semiconductor elements; thermoelements; fluid flow meters; meters for measuring gaseous flow; fuel flow measurement apparatus; control units (thermostats) for use in electric immersion heaters; immersion probes; thermostats; thermostat control apparatus; temperature controlling apparatus (thermostats, other than valves) for central heating installations; thermometers, other than for medical use; temperature measuring apparatus; control units for use in electric immersion heaters; thermal controls for engines; temperature controlling apparatus for machines; temperature sensing apparatus; air temperature sensors; electrical sensors; optical fibre temperature probes; temperature recorders (other than for medical use); heat detecting instruments; thermographic apparatus, other than for medical use; thermocouple wires; thermostat wires; electrical connectors; central heating programmers; remote control units for room heaters; apparatus for suppressing explosions; explosion proof control apparatus; flame detectors; flame monitors; hazard detecting apparatus for use in buildings; including instructional materials sold together with the aforesaid goods, accessories, parts and fittings for all the aforesaid goods allowed in this class

Apparatus and appliances for heating; electric heating apparatus; electric radiant heating apparatus; flues for heating apparatus; solar powered heating apparatus; electric immersion heaters; immersion heaters; industrial heaters; thermal fluid heaters; temperature control apparatus for central heating radiators; temperature and heat regulators being parts of heating installations; temperature sensitive controls for automatically operating valves; thermostatic valves; heating installations; non-electric central heating installations; closed circuit heating installations; radiators for central heating installations; electric heating cables and wires; electric heating elements; electrical heating elements in the form of cables and foil; flat heating elements; tubular heating elements; electric heating filaments; electrical heating pads, other than for medical (treatment) use; machines for working (heating) metals; air conditioning units and apparatus; combined heating and air conditioning apparatus; process ventilation apparatus; processing installations for fuel; including instructional materials sold together with the aforesaid goods, accessories, parts and fittings for all the aforesaid goods allowed in this class