Measuring, regulating, signaling, controlling, monitoring instruments, apparatus, and fittings, in particular in the fields of gas technology and industrial and household heating technology, namely, [ gas chromatography apparatus, gas detectors for detecting the presence of gas, gas sensors for measuring gas concentration, gas sensing electrodes, ] leak detecting devices for water or gas in the nature of leak detectors, gas pressure indicating gauges, pressure sensors, flame detectors, [ thermal exhaust flow detectors, flue gas monitors, ] thermo-electric safety devices in the nature of safety shut-off switches, gas pressure regulators and switches, safety valves, electronic valves for controlling gas or water, [ gas supply control units, ] electronic burner controls in the nature of thermostats and electrical controllers for heating appliances, [ electronic meters for measuring gas and water, and mechanical meters for measuring gas and water; gas meters, in particular positive displacement gas meters; electric flame and gas/air mixture monitoring apparatus; pressure regulators, for use in industrial plants and domiciles, not for gas, water or other sanitary installations; ] electric burner and boiler controls; [ electric regulating apparatus for heating and air conditioning installations and parts thereof; remote control for industrial and household heating apparatus; ] pressure and temperature measuring apparatus, thermostats [ ; sensing and spark electrodes being replacement parts for gas and oil burners and pilot burners in the fields of gas and oil technology and industrial and household heating technology; prerecorded magnetic data carriers featuring metering and analysis software for use in energy management and for monitoring energy usage ]

Burners, namely, gas burners for industrial purposes [, and replacement parts thereof ] ; ignition devices and components thereof for gas and oil burners, namely, pilot ignition burners and ignition transformers; pressure switches for gas, air and flue gas being replacement parts for gas and oil burners and pilot burners in the fields of gas and oil technology and industrial and household heating technology; [ pressure regulators being parts of heating and air conditioning installations; heating and air conditioning regulating apparatus and parts thereof being parts of heating and air conditioning installations; ] gas and air control valves being parts of heating and air conditioning installations or gas burners; safety pilots ignition apparatus and parts thereof being replacement parts for gas and oil burners and pilot burners in the fields of gas and oil technology and industrial and household heating technology, safety burners being gas burners, gas and air chokes being replacement parts for gas burners and pilot burners in the fields of gas technology and industrial and household heating technology; gas filters and filtering devices for air and gas conditioning [ ; heating mixers being parts of heating and air conditioning installations ]

[ Installation, maintenance and repair of instruments, apparatus and fittings, meters and systems in the fields of gas technology and industrial and household heating technology ]