7
Motors that are not for terrestrial vehicles; Crankcases for machines, motors and engines; Pumps, Pumps for heating installations, Regulators, Feedwater regulators; Boiler pipes and tubes; Feedwater regulators, De-aerators for feedwater; Control apparatus for pumps, Machines, motors and engines; Fans for motors or engines; Valves; Vacuum pumps; Heat-exchangers; Water heaters
9
Measuring, signalling, checking (supervision) apparatus and instruments; Electronic display devices and electronic display boards; Pressure measuring apparatus, Electrical apparatus for commutation, Switchboards, Distribution consoles, Circuits; Data carriers for computer software (computer programs); Boiler control instruments; Self-regulating fuel pumps; Temperature indicators; Thermostats; Pressure indicator plug for valves; Solenoid valves; Heat regulating apparatus, Counters, Meters
11
Heating apparatus, Electric heating apparatus, Heating elements, Hot plates, Radiators, Heating installations,In particular underfloor heating systems; Steam generating installations, Steam accumulators, Pressure water tanks, Heat accumulators, Air heaters, Air filters, Filters; Heat pumps, heat regenerators, heat accumulators, heat exchangers, water heaters, heating installations (water), water conduits installations, water purification installations, water purifying apparatus and machines, water sterilisers, water supply installations, water distribution installation, air filtering installations, heating boilers, feeding apparatus for heating boilers, connection fittings for radiators and heating installations; Ventilation and air-conditioning installations, parts for ventilation and air-conditioning installations, namely ventilation apparatus and fans, air-cooling apparatus, air-filtering installations, filters for air conditioning; Valves, Valves being parts of heating and sanitary installations, Thermostatic valves; Regulating and safety fittings for valves and for heating installations, water and gas apparatus and for water and gas pipes