| 1 | 564492 / 379 816 | Expansion vessel | | |
| 10 | 573520 / 164 225 | 3/4 " gasket | | |
| 14 | 564254 / 379 079 | Automatic air release valve | | |
| 15 | 573521 / 164 282 | 3/8" gasket | | |
| 16 | 569387 / 164 230 | 1" gasket | | |
| 17 | 570590 / 164 228 | Pump | | |
| 19 | 573528 / 164 229 | 1/2" gasket | | |
| 21 | 569 292 / 379 978 | Safety valve | | |
| 22 | 569390 / 164 261 | 1/4" gasket | | |
| 30 | 570605 / 379 080 | Pump pressure switch | | |
| 36 | 570651 | Yellow flow control led | | |
| 37 | 560171 / 379 824 | Wire resat button | | |
| 40 | 573586 / 379 818 | Temperature pressure gauge | | |
| 44 | 573805 / 379 817 | Overheat thermostat | | |
| 47 | 570568 | Flue control probe | | |
| 52AB | 573721 / 164 254 | Front combustion chamber insulation panel | | |
| 54AB | 573723 / 164 253 | Back combustion chamber insulation panel | | |
| 56A | 570588 / 379 820 | Main burner natural gas | | |
| 56B | 570823 | Main burner | LPG | |
| 57 | 573720 / 164 259 | Side combustion chamber insulation panel | | |
| 59 | 566098 / 164 270 | D.h.w exchanger | | |
| 62 | 569236 | C.H.W. probe D.H.W. probe | | |
| 63 | 560166 / 379 821 | Divertor valve (without microswitches) | | |
| 68 | 570732 / 379 976 | Gas valve SIT TANDEM | | |
| 69 | 950961 / 164 288 | P.C.B. | | |
| 75 | 570995 | Radio interference suppressor | | |
| 78 | 573441 / 379 981 | Detection electrode | | |
| 79 | 589560 / 407 557 | Right ignition electrode | | |
| 80 | 569561 / 379 980 | Left ignition electrode | | |
| 81AC | 570248 / 408 241 | Burner jet 1.25Ø | | |
| 81BD | 570251 | Burner jet0.72Ø | | |
| 85AB | 569487 / 164 277 | Main heat exchanger | | |
| 324 | 950030 / 164 302 | Fast fuse 2AT | | |
| 323 | 573745 / 164 303 | Gas modulator cartridge | | |
