| 1 | KI1004 147 / 173---149 | Burner | | |
| 2a | | Injectors for natural gas | | |
| 2b | | Injectors for LPG | | |
| 3 | BI1172 103 / E83 --- 121 | Expansion vessel | | |
| 4 | BI1262 130 | Main heat exchanger | | |
| 5 | BI1406 101 / H21 --- 049 | Fan | | |
| 6 | BI1243 100 | Gas valve | | |
| 7 | KI1267 103 / 169 127 | Air pressure switch 0,88---0,74 mbar | | |
| 8 | BI1181 100 | Safety valve | | |
| 9 | BI1326 100 / E83 --- 178 | Combustion chamber side panels | | |
| 10 | BI1326 108 / E83 --- 181 | Combustionchamber rear panel | | |
| 11 | BI1406 119 | Combustion chamber front panel | | |
| 12 | BI1715 105 | Electronic regulation p.c.b. | | |
| 14 | BI1911 103 | Pump | | |
| 15 | BI1011 505 / E00 --- 684 | Primary circuit flow switch | | |
| 16 | KI1042 107 | D.h.w. flow switch | | |
| 17 | BI1011 103 / E00 --- 688 | Main. flow switch membrane | | |
| 18 | BI1101 102 / E83 --- 086 | Three way diverter valve (electric actuator) | | |
| 19 | BI1172 105 / E83 --- 101 | Overheat thermostat | | |
| 20 | BI1342 100 | Flue temperature probe NTC | | |
| 21 | BI1295 108 | Fuse 3,15 AF | | |
| 22 | BI1001 117 / 164---026 | Temperature probe (main or d.h.w. circuit) | | |
| 23 | BI1123 101 / E83 --- 127 | Ignition electrode (left) | | |
| 24 | BI1123 103 / E83 --- 126 | Ignition electrode (right) | | |
| 25 | BI1123 102 / E83 --- 122 | Detection electrode | | |
| 26 | BI1475 108 / E83 --- 145 | Temperature---pressure gauge | | |
| 27 | BI1262 122 / H07 --- 112 | Recuperator | | |
