| 1 | KI1004 102 / 173---148 | Burner | | |
| 2a | KI1064 505 / 169---069 | Injectors for natural gas | | |
| 2b | KI1064 506 / 169---070 | Injectors for LPG | | |
| 3 | BI1172 103 / E83 --- 121 | Expansion vessel | | |
| 4 | BI1202 101 | Main heat exchange | | |
| 5 | BI1366 102 | Fan | | |
| 6 | BI1193 105 / E83 --- 129 | Gas valve | | |
| 7 | KI1267 103 / 169 127 | Air pressure switch 0,88---0,74 mbar | | |
| 8 | BI1131 100 / E83---013 | Safety valve | | |
| 9 | BI1326 100 / E83 --- 178 | Combustion chamber side panels | | |
| 10 | BI1326 107 / E83 --- 180 | Combustionchamberrearpanel | | |
| 11 | BI1326 101 / E83 --- 196 | Combustion chamber front pane | | |
| 12 | BI1515 107 | Electronic regulation p.c.b | | |
| 13 | BI1305 101 / E83 --- 142 | Full sequence ignition device | | |
| 14 | BI1001 101 / E01 --- 204 | D.h.w. heat exchanger | | |
| 15 | BI1272 100 | Pump | | |
| 16 | BI1011 505 / E00 --- 684 | Primary circuit flow switch | | |
| 17 | BI1091 104 / E83 --- 082 | D.h.w. flow switch | | |
| 18 | BI1011 103 / E00 --- 688 | Main. flow switch membrane | | |
| 19 | BI1101 102 / E83 --- 086 | Three way diverter valve (electric actuator) | | |
| 20 | BI1172 105 / E83 --- 101 | Overheat thermostat | | |
| 21 | BI1005 105 / 169---083 | Fuse 1,6 A T | | |
| 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 | | |
| 26 | BI1475 108 / E83 --- 145 | Temperature---pressure gauge | | |
