6
Metal building materials; small items of metal hardware for use in plumbing; ball cocks; risers; stop-cocks; valves; connectors; pipe connectors; couplings; pipe couplings; junctions; waste to trap connectors; extrusion pieces; seals; pipe clips; brackets and seals; drains; traps; drain pans; pipes of metal; tubes of metal; conduits of metal; troughs of metal; inspection chambers; bases, covers and frames for inspection chambers, access chambers and manholes; water and waste water overflow systems; wc pan connectors; noise reducing drainage systems; parts and fittings for all the aforesaid goods; all the aforesaid goods being of or comprising metal
11
Apparatus and installations, all for water supply; hot and cold water, heating, ventilation and water management systems; apparatus and installations, all for sanitary purposes; under floor heating and cooling systems; air vent systems; cisterns; water closets; conduits for the delivery of water; plumbing systems and plumbing articles included in this class; parts and fittings for all the aforesaid goods
17
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 applications, above and below ground; parts and fittings for all the aforesaid goods
19
Plastic pipework systems, all for use in making water supply, water disposal, water drainage and sanitary installations; inspection chambers, not of metal; bases, covers and frames for inspection chambers, access chambers and manholes; rainwater drainage apparatus of plastic material; non-metallic gutters and guttering; plastic waste and vent pipework systems; non-metallic drains, particularly aboveground drainage; plastic gulleys; non-metallic water and waste water overflow systems; plastic troughs for the delivery of water; non-metallic noise reducing drainage systems; conduits, not of metal; parts and fittings for all the aforesaid goods
20
Clips; brackets; supports; all comprised primarily of plastics; all for pipes or cables; 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; parts and fittings for all the aforesaid goods