| 1 | 75427 / 173---148 | Burner | | |
| 2a | 75692 / 169---069 | Injectors for natural gas | | |
| 2b | 172530 / 169---070 | Injectors for LPG | | |
| 3 | 173236 | Air pressure switch | | |
| 4 | 173238 | Main heat exchanger + O rings | | |
| 5 | 172611 | Gas valve + gaskets | | |
| 6 | 173253 | Fan | | |
| 8 | 172494 / E83---013 | Safety valve | | |
| 9 | 172561 / E83---154 | Electronic regulation p.c.b. | | |
| 10 | 172548 / E83---142 | Full sequence ignition device | | |
| 11 | 75419 / E00---684 | Primary circuit flow switch | | |
| 13 | 75421 / E00---688 | Main. flow switch membrane | | |
| 14 | 172512 / E83---101 | Overheat thermostat | | |
| 16 | 172610 | Pump + O rings | | |
| 17 | 172551 / E83---145 | Temperature pressure gauge | | |
| 19 | 172562 / 169---083 | Fuse 1,6 A T | | |
| 20 | 172496 / 164---026 | Temperature probe (main or DHW circuit) | | |
| 21 | 172581 / E83---176 | Sealed chamber gaskets kit | | |
| 23 | 172533 / E83---127 | Ignition electrode left | | |
| 24 | 172532 / E83---126 | Ignition electrode right | | |
| 25 | 172531 / E83---122 | Detection electrode | | |
| 26 | 172525 / E83---117 | Automatic air purger valve | | |
| 27 | 170977 / E83---173 | Window (glass + rubber frame) | | |
| 28 | 75514 / 169---141 | 1/2 flat gasket | | |
| 29 | 75415 / 169---033 | 3/4 flat gasket | | |
| 30 | 172577 / E83---171 | Side case panel | | |
| 31 | 172552 | Control panel door | | |
| 32 | 172578 | Front case panel | | |
