Drucklose Anschlüsse (1276 insgesamt)
| Schlüssel | Anzahl |
| emergency | 1276 |
| fire_hydrant:type | 1276 |
| fire_hydrant:position | 918 |
| fire_hydrant:pressure | 813 |
| water_source | 659 |
| couplings | 336 |
| couplings:diameters | 310 |
| couplings:type | 305 |
| survey:date | 264 |
| fire_hydrant:diameter | 241 |
| description | 206 |
| name | 142 |
| flow_rate | 137 |
| operator | 127 |
| note | 62 |
| ref | 42 |
| fire_hydrant:couplings | 25 |
| addr:street | 14 |
| fire_hydrant:coupling_type | 9 |
| colour | 8 |
| addr:housenumber | 8 |
| fire_hydrant:coupling | 7 |
| fire_hydrant:flow_capacity | 6 |
| fixme | 4 |
| cap:colour | 4 |
| bonnet:colour | 4 |
| water_tank:volume | 4 |
| fire_hydrant:water_source | 3 |
| water_volume | 3 |
| fire_hydrant:ref | 3 |
| source | 2 |
| fire_hydrant:awwa_class | 2 |
| pump | 2 |
| wheelchair | 1 |
| amenity | 1 |
| image | 1 |
| fire_hydrant:style | 1 |