11 Installations and apparatus for air conditioning, refrigeration, air cooling, parts and accessories therefor, namely, air conditioners, air filters for air conditioning units, refrigerating machines, refrigerated beverage dispensing units; apparatus for heating, steam generation, water supply and sanitary purposes, parts and accessories therefore, namely, electric patio heaters, electric space heaters, electric radiant heaters and indoor gas water heaters; kitchen and bathroom heating, cooking, lighting, ventilating and sanitary installations, namely, electric lighting fixtures, electric radiators, cooking ovens, cooktops and stoves, oven ventilator hoods; toilets, toilet cisterns and bidets; shower systems and installations, namely, shower panels, shower surrounds, showerheads and components thereof; showers, shower bases, shower recesses, shower screens, shower doors, shower frames, shower walls, shower modules, moulded shower recesses, walls and bases; baths, spa baths in the nature of tubs and bath installations and cubicles; vanity basins in the nature of sinks; tubs, namely, bath tubs, hot tubs; sinks; shower system accessories, namely, shower trays, showerhead sprayers , showerheads and components thereof; tapware, namely, taps; shower heads; plumbing and builders hardware in this class, namely, tap water faucets and washers for water taps; metal taps being faucets not being parts of machines or motors; water pipes in this class, namely, pipes being parts of sanitary facilities, pipes for heating boilers, flexible pipes being parts of bath plumbing installations, flexible pipes being parts of shower plumbing installations; water closets and water flushing installations, namely, flush levers, flushometer valves, flushometers; bath plumbing fixtures and bath fittings, namely, flexible pipes being parts of bath plumbing installations; plumbing fittings, namely, bibbs, drains, cocks; heaters, namely, outdoor heaters, and accessories therefor, namely, heat pumps, heat registers, heating elements; apparatus for irrigation in this class, namely, sprinklers, sprinkler heads, pipes for irrigation purposes, and parts and fittings in this class for all of the foregoing; installations and apparatus for lighting, ventilating, steam generating, drying, refrigerating, and cooking with gas and liquified gas, and parts and accessories therefore, namely, refrigerating machines, refrigerated beverage dispensing units, electric lighting fixtures, cooking ovens, cooktops and stoves, oven ventilator hoods; gas cooking and heating equipment and parts and accessories therefor, namely, burners; gas generators and gas apparatus, namely, gas regulators, gas scrubbing apparatus, gas ranges; gas plumbing supplies, namely, valves and pipes; evaporators, namely, cooling evaporators, evaporators for air conditioning; gas condensers, other than parts of machines; heat exchangers for the removal of condensate, installations for draining condensate, namely, apparatus for draining condensate from compressed-gas pipes and apparatus for draining condensate from containers, refrigerant condensers, separators for removing condensation by refrigeration, enthalpy exchangers for the purpose of ventilation and heat exchange, heat exchange apparatus other than parts of machines, heat exchangers for central heating purposes, heat exchangers for the removal of exhaust gases and flue gasses, heat exchangers for the temperature control of drinks being dispensed, heat exchangers for transferring heat between fluid streams, shell heat exchangers, ventilators for heat exchangers, heat exchange apparatus for use in refrigeration and air conditioning