6
Pipe support systems and parts and fittings therefor; valves; drain taps; solder wire; pipes, tube and ducting; pipe couplings; hose couplings; metal coils; bellows expansion joints; joint rings; manually operated valves; hanging brackets; flanges; welding rods; parts, fittings and accessories
7
Heat exchangers; steam traps; bellows (machines); condensate sets; pumps; fuel oil transfer sets; pump starters; automatic changeover panels; connecting rods; couplings other than for land vehicles; liquid filters; filters; hose kits used for the transfer of fluids; high temperature pumps; power operated valves; sealed system pressurisation units; steam and air traps; injectors; ejectors; parts, fittings and accessories
11
Liquid filters; taps and cocks; installations and apparatus included in class 11 all for heating, cooling, drying, steam generating and ventilating; condensers; water raisers; air/gas eliminator devices for liquid systems; filters; strainers for use with shower trays; coarse strainers for water screening; non-storage calorifiers (undirected water heaters); air valves (cocks); adjustable tail-pieces (pipe water connections); heat exchangers; heat pumps; automatic air vents; fan coil units, namely used for heating/cooling purposes to filter, cool or heat fresh or re-circulating air; radiant linear heating systems; radiator valves; thermostatic valves; expansion vessels for water heating closed systems; shower enclosures; showers; stainless steel sink tops; washer dryers; automatic air vents; valves, namely apparatus for controlling temperature in central heating radiators [valves]; automatic temperature regulators [valves] for central heating radiators; ball valves; control apparatus [thermostatic valves] for conserving energy in boilers [parts of heating installations]; control devices [thermostatic valves] for heating installations; control units [thermostatic valves] for heating installations; control valves (Thermostatic-) for central heating radiators; float valves [ball cocks]; heat regulating devices [valves] being parts of heating installations; heat regulators [valves] being parts of heating installations; instruments for temperature control in central heating installations [thermostatic valves]; level controlling valves in tanks; mixing valves [faucets]; mixing valves [faucets] for basins; mixing valves [faucets] for sinks; pressure relief valves [safety apparatus] for gas apparatus; pressure relief valves [safety apparatus] for gas pipes; pressure relief valves [safety apparatus] for water apparatus; pressure relief valves [safety apparatus] for water pipes; radiator valves [thermostatic]; regulating valves [level controlling in tanks]; regulators [valves] for level controlling in tanks; safety valves for gas apparatus; safety valves for gas pipes; safety valves for water apparatus; safety valves for water pipes; shower mixing valves; shower valves; stop valves being safety apparatus for gas apparatus; stop valves being safety apparatus for gas pipes; stop valves being safety apparatus for water apparatus; stop valves being safety apparatus for water pipes; stop valves for regulating gas; stop valves for regulating water; temperature control apparatus [thermostats, other than valves] for central heating installations; temperature control apparatus [valves] for central heating radiators; temperature control valves [parts of central heating installations]; mixing valves; radiator valves; parts, fittings and accessories
17
Gaskets; pipe jointing compounds; reinforcement fibre; tape; anti-corrosion tape; jointing compound; rubber/vulcanised fibre washers; noise suppression strips (rubber); joint rings; valves; joint packings; pipes and pipe fittings, hoses and fittings and couplings therefor (synthetic); thermal insulating mats; polytetrafluoroethylene (PTFE) tape; insulating paint; hoses; parts, fittings and accessories
19
Wood blocks for use with hangers (pipe support systems); metallic cement; parts, fittings and accessories
20
Rail cap ends (plastic); PVC T-caps (pipe support systems); pipe support systems of plastic; water-pipe valves of plastic; screws, not of metal; wood screws; parts, fittings and accessories