| 1 | BI1293 101 / H58-689 | Burner | | |
| 2 | BI1182 105 / E94-576 | Expansion vessel | | |
| 3 | BI1432 101 / H58-660 | Condensing heat exchanger | | |
| 4 | BI1293 105 / H58-702 | Fan | | |
| 5 | BI1293 104 / H58-694 | Gas valve | | |
| 6 | BI1181 100 / H50-189 | Safety valve | | |
| 7 | BI1955 101 / H58-718 | Electronic regulation p.c.b. | | |
| 8 | BI1001 102 / E01-205 | D.h.w. heat exchanger | | |
| 9 | BI1911 103 / H58-670 | Pump | | |
| 10 | BI1251 501 / H32-555 | Primary circuit flow switch | | |
| 11 | KI1042 107 / 169-010 | D.h.w.flow switch | | |
| 12 | BI1011 103 / E00-688 | Main.flow switch membrane | | |
| 13 | BI1101 102 / E83-086 | Three way diverter valve (electric actuator) | | |
| 14 | BI1172 105 / E83-101 | Overheat thermostat | | |
| 15 | BI1432 102 / H58-661 | Flue temperature probe NTC | | |
| 16 | BI1295 108 / H44-170 | Fuse 3,15 AF | | |
| 17 | BI1665 104 / H58-716 | Fuse 400 mA T | | |
| 18 | KI1001 117 / 164-026 | Temperature probe (main or D.h.w. circuit) | | |
| 19 | BI1293 103 / H58-709 | Detection electrode | | |
| 20 | BI1293 102 / H58-680 | Ignition electrode | | |
| 21 | BI1475 108 / E83-145 | Temperature-pressure gauge | | |
