Heat pumps (parts of machines); Pumps for heating installations; Circulating pumps for central heating installations; Mechanical control devices for heating installations; Electric motors for heating installations; Water heaters being parts of machines; Compressors for air conditioning apparatus; Water heating apparatus (parts of machines)

Heat pumps; Heat pumps for energy processing; Central heating installations; Electric heating installations; Control units (thermostatic valves) for heating installations; Control devices (thermostatic valves) for heating installations; Heating installations; Home heating installations; Installations for use in the recovery of waste heat; Non-electric central heating installations; Solar heating installations; Temperature sensitive controls for automatically operating valves (parts of heating installations); Temperature control apparatus (thermostatic valves) for central heating installations; Evacuated heat pipe solar collectors (heat exchangers); Heaters; Self regulating heaters; Air-conditioning apparatus; Air-conditioning installations; Hot water heating installations; Apparatus for water heating; Water heating installations