Regulating accessories included in this class; monitoring devices included in Class 11 including flue gas flow monitors; valves included in this class, ignition apparatus and parts thereof for gas burners included in this class; safety burners, gas and air input restrictors in this class; gas filters and filter inserts therefor.

Regulating armatures and safety armatures; measuring, signalling, controlling, monitoring and regulating apparatus and instruments included in Class 9 for use with gas heating installations for the chemical industry, glass industry, china industry, ceramic industry, food processing industry, metal producing and processing industry, mechanical engineering industry, and also for use in air conditioning and heating apparatus; ignition apparatus and parts thereof included in Class 9 comprising ignition burners, ignition transformers, sensing and ignition electrodes; thermo-electric safety devices and parts thereof comprising thermo ignitors for electrically or manually operated ignition