Apparatus and installations, all for water supply, sanitary or drainage purposes; rainwater systems; waste and vent systems; air vent systems; drains and underground drainage systems; gulleys; cisterns; water closets; overflow systems; troughs for the delivery of water; conduits for the delivery of water; urinals; plumbing systems; plumbing articles; taps; bathroom taps; kitchen taps; bath taps; sinks; baths; sink taps; shower taps; plugs; plug holes; wc pans; wc pan connectors; urinals; installations for ventilating, plumbing, heating and cooling; fixtures and fittings for plumbing, heating and cooling installations; central heating systems and installations; underfloor heating and cooling systems and installations; integrated flexible plumbing systems and installations; floor heating systems; floor temperature control systems; pipes for use with plastic tiles for floor heating systems; hot and cold water supply and central heating installations; connectors for radiators, radiator taps and taps; push-fit connectors and fittings for hot and cold water supply and central heating installations and systems; taps; radiators and radiator taps; combined stop and drain taps; fans; extractor fans; ventilation installations, systems and apparatus; overflow systems; sinks; kitchen sinks; mixer taps; pillar taps; headworks for sinks; wastes for sinks; combined sink and waste kits; sink taps; plugs; plug holes; wastes for sinks; rainwater collection and management apparatus and installations; water, including rainwater, intake, storage and attenuation apparatus and installations; water pipes, piping, gutters, guttering, and conduits; hot and cold water, heating, ventilation and water management systems; apparatus and installations, all for sanitary purposes; rainwater systems; gutters and guttering; waste and vent systems; air vent systems; drains, underground drains; gulleys; cisterns; water closets; overflow systems; troughs for the delivery of water; conduits for the delivery of water; plumbing systems; plumbing articles; acoustic drainage systems; pipes for use with plastic tiles for floor heating systems; filters; water filters; water treatment filters and installations; water cleansing apparatus, systems and installations; filters for removing chemicals, hydrocarbons and like contaminants from water, surface water, run-off water and flood water; sewer systems; plastic plumbing systems; soil waste systems; water supply systems; water drainage systems; portable water supply systems; cold water services systems; land drainage systems; PVC land drainage systems; flat invert PVC drainage systems; apparatus for storm, melt and flood water storage and attenuation; water run-off control devices for storm, melt and flood water; apparatus for control of discharge rates of water by pass flow control devices for storm, melt and flood water; water distribution installations; water storage chambers; prefabricated plastic chambers for water flow control; water tanks and water storage chambers including level control devices; water tanks and water storage chambers including vortex flow control devices; water conduits, not of metal; sealed non-metallic chambers for use in water flow control in constructions; water storage chambers; ducting; air ventilation ducting apparatus; ventilation installations and apparatus; air ducts; air vents; heating installations and apparatus; cooling installations and apparatus; air conditioning installations; air conditioning apparatus; chimneys; air dryers; hot air apparatus; watering installations; watering machines for agricultural purposes; apparatus for receiving and/or collecting rainwater or water derived from melted snow or ice; cisterns; reservoirs; tanks; flushing tanks; systems for distributing collected rainwater or water derived from melted snow or ice to W.C.s; portable toilets, toilet bowls, sinks, basins, bowls and the like; apparatus and systems for recycling rainwater, water derived from melted snow or ice for water supply or sanitary purposes; pipes (parts of sanitary installations); apparatus for ventilating, water supply and sanitary purposes; water pipes for sanitary installations; aerating valves as parts of sanitary installations; air admittance valves for use in the drainage systems of buildings; pressure release valves; air vent valves; ventilation valves; pressure relief valves [safety apparatus] for water pipes, drainage pipes; safety valves for water apparatus; safety valves for water pipes, drainage pipes; regulating accessories for gas apparatus and water pipes; regulating accessories for gas pipes and for water apparatus; ventilation [air-conditioning] installations and apparatus; cisterns and similar containers for holding/storing and attenuating waste, flood or storm water; ball cocks; stop cocks; parts and fittings for the aforementioned goods;parts and fittings for all the aforesaid goods.

Pipes; tubes, not of metal; connectors; pipe connectors; couplings; pipe couplings; junctions; pipe couplings (junctions) not of metal; rubber couplings, bushes and adaptors; pipe junctions; waste to trap connectors; extrusion pieces; seals; pipe clips and brackets and seals, all being parts and fittings for pipes; push-fit fittings for pipes and piping systems; all for drainage above and below ground or for water supply, water disposal and or sanitary applications; impervious adhesive strips for tiling; adhesive sealants for use in roofing; parts and fittings for all the aforesaid goods.

Non-metallic building materials; piping and ducting for buildings; roofing materials; roofing underlayment; roofing membranes ventilation; ventilation, insulation and damp proofing products for buildings; soffit ventilators, roof ventilators and air bricks, valley troughs and flashings; ventilators (non-metallic) for buildings; non-metal vent covers; venting ducts (non-metallic); channels of non-metallic materials for transmitting air for ventilation; cavity closers; cavity wall trays; soffit ventilators, roof ventilators and air bricks, valley troughs and flashings; pvc roofing membrane; roofing fabric; hips for roofing; asphalt roofing felt; ducts and pipes not of metal; ducts, not of metal, for ventilation and air conditioning installations, apparatus and systems; ducts, not of metal, for central heating installations and systems; flat channel ducting, not of metal; ventilation ducting connectors, not of metal; connectors for flat channel ventilation ducting, not of metal; intumescent ventilation ducting connectors; roofing, for collecting and distributing rain; parts and fittings for all the aforesaid goods.

Drain traps; drain pans; anti-syphon traps; tubular traps; telescopic traps; bottle traps; bag traps; shower traps; sink traps; swivel traps; running traps; drain traps of plastic; trap connectors; washing machine traps; appliance traps; clips; brackets; supports; all comprised primarily of plastics; all for pipes or cables; devices for protection against ground settlement; clips; fasteners; connectors; pipe clips of plastic; stop cocks of plastic; valves of plastic for water pipes; taps; combined stop and drain taps; grab rings; brackets; supports; all comprised primarily of plastics; all for pipes or cables; drain pans; anti-syphon traps; tubular traps; telescopic traps; bottle traps; bag traps; shower traps; sink traps; swivel traps; running traps; tanks for holding/storage of water; glass reinforced plastic tanks; plastic clamp saddles; reservoirs, not of metal, for control of water flow; valves, not of metal, other than parts of machines; water-pipe valves of plastic; parts and fittings for all the aforesaid goods.

Building and construction services; building maintenance and repair; building consultancy; installation of water supply apparatus; water supply installations maintenance; repair, construction and supply of water installations and apparatus.