| 1/00 | Domestic plumbing installations for fresh water or waste water; Sinks |
| 1/01 | Domestic plumbing installations for fresh water or waste water; Sinks for combinations of baths, showers, sinks, wash-basins, closets, urinals, or the like |
| 1/02 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water |
| 1/04 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) |
| 1/042 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) Arrangements on taps for wash-basins or baths for connecting to the wall |
| 1/044 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) having a heating or cooling apparatus in the supply line (water heaters, e.g. with continuous flow, F24H) |
| 1/046 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) Adding soap, disinfectant, or the like, in the supply line (preventing contamination of drinking-water pipes E03C 1/1) |
| 1/048 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) supplying water through two or more openings around or along one side of the water-basin |
| 1/05 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Arrangements of devices on wash-basins, baths, sinks, or the like, for remote control of taps (remote control of taps or the like, per seF16K) |
| 1/06 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Devices for suspending or supporting the supply pipe or supply hose of a shower-bath |
| 1/08 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Jet regulators, e.g. anti-splash devices |
| 1/084 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Jet regulators, e.g. anti-splash devices Jet regulators with aerating means |
| 1/086 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Jet regulators, e.g. anti-splash devices Jet regulators or jet guides, easily mountable on the outlet of taps |
| 1/10 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for fresh water Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves (vacuum-breakers in general F16K, F16L) |
| 1/12 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks |
| 1/122 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Pipe-line systems for waste water in buildings (pipe-line systems in general F17D) |
| 1/126 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Installations for disinfecting or deodorising waste-water plumbing installations |
| 1/14 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Wash-basins connected to the waste pipe |
| 1/16 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Wash-fountains connected to the waste pipe |
| 1/18 | Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Sinks, whether or not connected to the waste-pipe |