| 1 | BI1193 100 | Burner | | |
| 2 | BI1193 500 | Injectors for natural gas | | |
| 3 | BI1172 103 / E83-121 | Expansion vessel | | |
| 4 | BI1222 100 | Main heat exchanger | | |
| 5 | BI1376 105 | Fan | | |
| 6 | BI1193 105 / E83-129 | Gas valve | | |
| 7 | BI1376 104 | Air pressure switch 1,38-1,25 mbar | | |
| 8 | BI1131 100 / E83-013 | Safety valve | | |
| 9 | BI1326 100 / E83-178 | Combustion chamber side panels | | |
| 10 | BI1326 108 / E83-181 | Combustion chamber rear panel | | |
| 11 | BI1366 109 / E83-197 | Combustion chamber frant panel | | |
| 12 | BI1515 107 | Electronic regulation p.c.b. | | |
| 13 | BI1305 101 / E83-142 | Full sequence ignition device | | |
| 14 | BI1161 100 | 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 membrance | | |
| 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 | BI1193 102 | Ignition electrode-left | | |
| 24 | BI1193 103 | Ignition electrode-right | | |
| 25 | BI1193 104 | Detection electrode | | |
| 26 | BI1475 108 / E83-145 | Temperature-pressure gauge | | |
