| 2 | 992616 | Expansion vessel | | |
| 6 | 573521 / 164 282 | Gasket 3/8" | | |
| 13 | 573520 / 164 225 | Gasket 3/4" | | |
| 16 | 570760 | Thermostat (frost) | | |
| 18 | 998612 | Flow group | | |
| 19 | 573528 / 164 229 | Gasket 1/2" | | |
| 21 | 998447 | Safety valve (1/4 '' 3 bar) | | |
| 22 | 569390 / 164 261 | Gasket 1/4'' | | |
| 23 | 998627 | Pump pressure switch | | |
| 25 | 999542 | Spark Generator | | |
| 26 | 574279 | Gasket | | |
| 27 | 999474 | Gas valve | | |
| 29 | 998809 | Auto air vent | | |
| 30 | 999476 | Return group | | |
| 31 | 998424 | O-ring | | |
| 33 | 998836 | Pump | | |
| 45 | 999578 | Thermostat (regulation) | | |
| 48 | 999499 | P.C.B.(CBM2 AT-FFI2X) | | |
| 49 | 999245 | Pressure gauge | | |
| 55 | 998517 | Gasket | | |
| 60 | 998484 | Air pressure switch | | |
| 74 | 997182 | Gasket | | |
| 79 | 999538 | Thermostat (overheat) | | |
| 82 | 998624 | Detection electrode | | |
| 83 | 998622 | Electrode (ignition L.H.) | | |
| 84 | 998623 | Electrode (ignition R.H.) | | |
| 78CD | 998893 | Main exchanger | | |
| 85A | 999481 | Burner 6 ramp (natural gas) | | |
| 85B | 999686 | Burner 6 ramp (LPG) | | |
| 85C | 999479 | Burner 8 ramp (natural gas) | | |
| 85D | 999685 | Burner 8 ramp (LPG) | | |
| 89AC | 998433 | Burner jet (natural gas 1.30) | | |
| 89BD | 998434 | Burner jet (LPG 0.77) | | |
| 95 | 999501 | P.C.B.(CT1) | | |
| 97 | 950030 | Fast fuse 2AT | | |
| 100 | 999486 | Main exchanger | | |
| 106AB | 998487 | Fan | | |
| 106CD | 998488 | Fan | | |
| 351 | 998644 | O-ring(A.A.V.) | | |
| 352 | 998643 | Auto air vent | | |
| 353 | 998738 | Gasket (pump head) | | |
| 354 | 998961 | Pump head | | |
| 361 | 998716 / E24 076 | Burner jet 1.30 full kit (natural gas) | | |
| 362 | 998717 / E24 075 | Burner jet 0.77 full kit (LPG) | | |
