| 1 | 1.021877 / H28-392 | Burner | | |
| 2 | H28-393 / H28-393 | Main injector 5.1 mm | | |
| 3 | 1.021521 / H28-394
| Primary heat exchanger | | |
| 4 | 1.018808 / H28-395 | Gas valve - Dungs | | |
| 5 | 1.021206 / H28-396 | Fan assembly | | |
| 6 | 1.027267 / H28-397 | PCB | | |
| 7 | 1.023071 / E94-413 | Flue thermostat (102°C) | | |
| 8 | 1.018162 / E94-414 | Ignition generator | | |
| 9 | 1.012477 / E94-415 | Transformer | | |
| 10 | 1.015970 / E76-317 | Temperature sensor | | |
| 11 | 1.6098 / E76-378 | Fuse F2A | | |
| 12 | 1.013931 / E96-571 | PCB fuse F315mA | | |
| 13 | 1.010952 / H28-398 | Overheat thermostat (90°C) | | |
| 14 | 3.013626 / E94-417 | Ignition electrode and lead | | |
| 15 | 1.016779 / E94-418 | Ignition electrode | | |
| 16 | 1.019293 / E96-572 | Flame sensing electrode and lead | | |
| 17 | 1.014732 / E94-420
| Combustion chamber insulation panel front | | |
| 18 | 3.016875
| Condensate trap | | |
