Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for measuring, signaling, checking (inspection), timing, monitoring; apparatus for checking, maintenance and regulation of pressure, namely push-button valves; parts and fittings of the aforesaid goods

Expansion tanks for heating, closed cooling and water supply systems; apparatus, installations and instruments for heating, steam generation, distribution of water, water flow, refrigeration and sanitary installations purposes; pressurized water tanks; water tanks used for monitoring water pressure; water tanks containing compressors for use in heating, solar heating and water cooling systems; safety valves for maintaining and controlling pressure and cleanliness of water in relation to heating, cooling, ventilation and air conditioning systems; water filters for maintaining and controlling pressure and cleanliness of water in relation to heating, cooling, ventilation and air conditioning systems; water purifying equipment, namely separators of impurities, sludge and magnetite (black iron oxide); equipment for purifying water for use in heating, solar and water cooling systems, namely fans for micro-bubbles, sludge, oxygen and magnetite (black iron oxide); equipment for purifying water for use in heating, solar and water cooling systems, namely vacuum deaerators for removing gas from liquids; air purification apparatus for maintaining and controlling pressure and cleanliness of water in relation to heating, cooling, ventilation and air conditioning systems; ventilation apparatus; gas purification apparatus for maintaining and controlling pressure and cleanliness of water in relation to heating, cooling, ventilation and air conditioning systems; parts and fittings of the aforesaid goods.

Germicidal lamps for purifying air; Cooking apparatus and installations; Cooling installations and machines; Refrigerating appliances and installations; Expansion tanks for central heating installations; Heat exchangers (not parts of machines); Air purifying apparatus and machines; Air deodorising apparatus; Feeding apparatus for heating boilers; Boiler pipes (tubes) for heating installations; Watering installations, automatic; Hot water heating installations; Pressure water tanks; Water purification installations; Purification installations for sewage; Water softening apparatus and installations; Footwarmers (electric or non-electric); Ionisation apparatus for the treatment of air or water; Water filtering apparatus; Oil-scrubbing apparatus