| 1 | 173 509 / E69-280 | Front casing panel | | |
| 4 | 171 027 / E69-384 | Bottom casing panel | | |
| 11 | 170 905 / E67-489 | Burner | | |
| 12 | 173 520 | Combustion chamber insulation | | |
| 14 | 173 522 | Injector and housing | | |
| 16 | 173 525 | Fan assembly | | |
| 17 | 170 988 / E69-286 | Automatic air vent | | |
| 19 | 171 035 / E69-288 | Gas control valve | | |
| 22 | 170 916 / E67-500 | Flue thermistor | | |
| 23 | 170 917 / E67-501 | Control thermistor (flow/return) | | |
| 24 | 170 918 / E67-502 | Overheat thermostat | | |
| 25 | 173 528 | Ignition electrode kit | | |
| 26 | 170 984 | Flame detection electrode kit | | |
| 32 | 170 926 / E67-511 | Condensate 'S' trap | | |
| 35 | 173 533 | User control (display unit) | | |
| 36 | 170 930 | PCB primary controls (includes plastic housing) | | |
| 37 | 170 931 / E67-519 | Fuse PCB (3.15A L250V) | | |
| 39 | 173 537 | Mains switch c/w harness | | |
| 40 | 173 538 | Spark generator assy | | |
| 45 | 170 938 / E67-527 | Gasket kit (servicing) | | |
| 52 | 171 014 / E68-376 | Seal kit (sealing panel) | | |
| 53 | 171 022 / E68-380 | Turret gasket | | |
| 61 | 170 992 / E69-338 | Pressure relief valve | | |
| 62 | 173 066 | Expansion vessel | | |
| 64 | 170 991 / E69-341 | Pressure gauge | | |
| 65 | 170 996 / E69-403 | DHW thermistor | | |
| 66 | 170 997 / E69-404 | Diverter valve motor head | | |
| 67 | 170 998 / E69-405 | Diverter valve body | | |
| 69 | 170 990 / E69-342 | Pump | | |
| 71 | 173 545 | Plate heat exchanger | | |
| 94 | 173 510 | Ignition lead | | |
| 95 | 173 512 | Detection lead | | |
