| 1 | 1.019622 / H50-443 | Burner | | |
| 2 | 1.022709 | Main injector 5.25 mm | | |
| 3 | 1.023016 | Primary heat exchanger | | |
| 4 | 1.022221 / H50-452 | DHW heat exchanger | | |
| 5 | 1.023673 / H50-454 | Gas valve | | |
| 6 | 1.024097 / H50-455 | Pump | | |
| 7 | 1.021206 / H28-396 | Fan assembly | | |
| 8 | 1.021715 / H50-456 | Primary pressure switch | | |
| 9 | 1.020831 / H50-457
| DHW flow switch | | |
| 10 | 1.027959 | PCB | | |
| 11 | 1.024296 | Flue temperature sensor | | |
| 12 | 1.022297 | Ignition generator | | |
| 13 | 1.019189 / H50-460 | Transformer | | |
| 14 | 1.021762 / 798-413 | Temperature sensor | | |
| 15 | 1.6098 / E76-378 | Fuse F2A - Main terminal block | | |
| 16 | 1.013931 / E96-571
| PCB fuse F1 - 315mA | | |
| 17 | 1.2379 | PCB fuse F2, F3 - 2.5 AF | | |
| 18 | 1.012067 / E94-413 | Overheat thermostat 100°C | | |
| 19 | 1.023560 / H50-462 | Expansion vessel 8 Litre | | |
| 20 | 1.023565 / H50-463 | Pressure relief valve 3 bar | | |
| 21 | 1.022102 / H50-464 | Automatic air vent | | |
| 22 | 1.023551 / H50-465
| Pressure gauge | | |
| 23 | 3.017477 | Ignition electrode and lead | | |
| 24 | 1.019293 / E96-572 | Flame sensing electrodes and lead | | |
| 25 | 1.018064 / H50-469 | Diverter valve motor | | |
| 26 | 3.017174 / H50-472 | Diverter valve assembly | | |
| 27 | 3.017174 / H50-474
| By-pass assembly | | |
| 28 | 1.024543 | Combustion chamber insulation panel front | | |
| 29 | 3.017281 / H50-476 | Condensate trap | | |
| 30 | 1.020412 | Flow regulator 12 l/min (red) | | |
