| 1 | 564 492 / 379 816 | Expansion vessel | | |
| 11 | 573 520 / 164 225 | 3/4" gasket | | |
| 12 | 571 495 | Main flow switch (fully assembled) | | |
| 16 | 564 254 / 379 079 | Automatic air release valve | | |
| 17 | 569 387 / 164 230 | 1" gasket | | |
| 18 | 570 931 | Pump | | |
| 24 | 569 292 | Safety valve | | |
| 25 | 569 390 / 164 261 | 1/4" gasket | | |
| 30 | 920 480 | P.C.B. gove 2 BFFI | | |
| 34 | 570 605 / 379 080 | Pump pressure switch | | |
| 44 | 560 171 / 379 824 | Wire reset button | | |
| 45 | 573 586 / 379 818 | Temperature - pressure gauge | | |
| 48 | 573 805 / 379 817 | Overheat thermostat | | |
| 63 | 573 434 | Fan | | |
| 65 | 569 434/164 242 | Collar for venturi device | | |
| 66 | 569 435 /164 243 | Venturi device | | |
| 68 | 573 521 / 164 282 | 3/8" gasket | | |
| 70 | 571 652 | Air pressure switch | | |
| 75 | 570 995 | Radio interference surpressor | | |
| 76 | 570 561 | cable clamper | | |
| 77 | 573 724 | Back combustion chamber insulation panel | | |
| 90 | 573 455 | Divertor valve body | | |
| 91 | 570 711 | Divertor valve motor | | |
| 92a | 570 511 | Main burner natural gas | | |
| 92b | 571 512 | Main burner LPG | | |
| 93 | 573 720/164259 | Side combustion chamber insulation panel | | |
| 97 | 570 732 | Gas valve SIT TANDEM | | |
| 105 | 573 441 | Detection electrode | | |
| 106 | 569 560 | Right ignition electrode | | |
| 108 | 569 561 | Left ignition electrode | | |
| 109a | 570 248 | Burner jet 1,25Ø | | |
| 109b | 570 251 | Burner jet 0,72Ø | | |
| 115 | 569 562/164277 | Main heat exchanger | | |
| 118 | 573 722 | Front combustion chamber insulation panel | | |
| 201 | 950 030 | Fast fuse 2AT | | |
| 202 | 573 745 | Gas modulator cartridge | | |