| Spare parts and accessories | Reference number |
| Drain tap | WF-FS/Drain tap |
| Manometer | WF-MANOMETER |
| Wall holder for 10“ and 20“ housing | WF/M 10"/HALTER |
| Bowl with screw plug for drain tap for 10" housing | WF6-10/BEHÄ-ABL FS |
| Bowl with screw plug for drain tap for 20" housing | WF6-20/BEHÄLTER FS |
| O-ring for 10“ and 20“ bowl (Buna NBR) | DG-OR 88,27X5,33 |
| O-ring for 10“ and 20“ bowl (Viton) | DG-OR 88,27X5,33/V |
