| 2 | 998616 / E61 468 | Expansion vessel | | |
| 6 | 573521 / 573521 | Gasket 3/8" | | |
| 15 | 573528 / 164 229 | Gasket 1/2" | | |
| 18 | 998447 | Safety valve (1/4" 3 bar) | | |
| 19 | 569390 / 164 261 | Gasket 1/4" | | |
| 20 | 995903 | Pump pressure switch | | |
| 23 | 996047 | Return group | | |
| 25A | 998836 / E61 490 | Pump | | |
| 25B | 999091 | Pump | | |
| 36 | 999599 | Time clock | | |
| 40A | 999724 | P.C.B. (T2 MFFI) | | |
| 40B | 65100248 | P.C.B. (27 MFFI) | | |
| 41 | 999245 / E61 520 | Pressure gauge | | |
| 50A | 998484 | Air pressure switch | | |
| 50B | 571651 | Air pressure switch | | |
| 64 | 995349 | Gasket (Fan) | | |
| 66A | 999397 | Fan (23 kW) | | |
| 66B | 998894 | Fan (27 kW) | | |
| 69 | 998458 | Temperature probe | | |
| 70 | 998619 | Exchanger | | |
| 72A | 996158 / E61 547 | Burner 12 ramp (natural gas) | | |
| 72B | 995991 | Burner 13 ramp (natural gas) | | |
| 77 | 996072 | D.H.W. Flow Switch | | |
| 78 | 998424 / E61 483 | O-ring | | |
| 80 | 574279 | Gasket | | |
| 81A | 999919 | Spark Generator | | |
| 81B | 65100249 | Spark Generator | | |
| 82A | 997089 / E61 485 | Gas valve (SIT 845 SIGMA) | | |
| 83 | 573520 / 164 225 | Gasket 3/4" | | |
| 86 | 998433 | Burner jet (natural gas 1.30) | | |
| 92 | 998517 | Gasket | | |
| 95A | 998623 / E61 565 | Electrode (ignition R.H.) | | |
| 95B | 65100251 | Electrode (ignition R.H.) | | |
| 96A | 998622 / E61 567 | Electrode (ignition L.H.) | | |
| 96B | 65100250 | Electrode (ignition L.H.) | | |
| 97 | 998624 / E61 569 | Detection electrode | | |
| 99 | 996065 / E25 425 | Thermostat (overheat) | | |
| 321 | 998716 / E61 665 | Burner jet 1.30 full kit (natural gas) | | |
| 322 | 998717 / E61 667 | Burner jet 0.77 full kit | LPG | |
