| 1 | 573294 / E25 417 | Expansion vessel | | |
| 7 | 573520 / 164 225 | Gasket 3/4" | | |
| 8 | 569236 / 164 338 | Temperature probe (C.H.W.) | | |
| 12 | 997147 / E25 427 | Motor (3- Way valve) | | |
| 13 | 997077 / E25 429 | Fixing clip (motor) | | |
| 14 | 998456 | Flow group | | |
| 17 | 571438 | Gas valve | | |
| 21 | 573528 / 164 229 | Gasket 1/2" | | |
| 23 | 997828 | Return group | | |
| 24 | 573727 / 378 814 | Manual vent cock | | |
| 25 | 573172 / E26 378 | Safety valve 1/2" 3 bar) | | |
| 31 | 997207 / E26 819 | Time clock | | |
| 39 | 571649 / E25 437 | Pressure gauge | | |
| 42 | 998765 | P.C.B. (display) | | |
| 43 | 569390 / 164 261 | Gasket 1/4" | | |
| 63 | 998672 | Electrode (ignition/detection) | | |
| 65 | 998668 | Burner | | |
| 71 | 998889 | Fan cable & sensor | | |
| 73 | 998888 | Fan | | |
| 75A | 998651 | Injector (G20) | | |
| 75B | 998783 | Injector (G30) | | |
| 79 | 997151 / E25 518 | Pump | | |
| 80 | 569387 / 164 230 | Gasket 1" | | |
| 84 | 573521 / 164 282 | Gasket 3/8" | | |
| 86 | 998791 | Condensate Trap | | |
| 87 | 573768 | Gasket (airtight - condensate trap) | | |
| 88 | 998792 | Cap (trap filling) | | |
| 90 | 564254 / 379 079 | Auto air vent | | |
| 91 | 998459 | Electrode cable (resistive) | | |
| 95 | 998801 | P.C.B. (main) | | |
| 104 | 998670 | Main exchanger (aluminium) | | |
| 331 | 571987 | D.H.W. pressure switch kit | | |
| 332 | 571443 | Central heating by-pass kit | | |
| 333 | 571441 | Heating pressure switch kit | | |
| 334 | 574248 | Pressure cover | | |
| 335 | 571447 / E24 077 | 3-way spring kit | | |
| 336 | 998013 | Heating actuator bush | | |
