| A01 | 39822190 | Casing | | |
| B01 | 39821522 | PCB | | |
| B02 | 39819520 | Facia Panel | | |
| B03 | 39821510 | Display Cover Kit | | |
| B04 | 39823070 | Electrode Lead | | |
| B05 | 39838940 | Wiring Loom | | |
| B06 | 39838970 | Electrodes | | |
| C01 | 39820080 | Pressure Gauge | | |
| C02 | 39821530 | Combined sensor - 100 degree | | |
| C03 | 39830943 | Heat Exchanger | | |
| C04 | 39810220 | Return Sensor - NTC | | |
| C05 | 39810230 | DHW Sensor - NTC | | |
| C06 | 39818270 | Safety Valve | | |
| C07 | 39818260 | Low Water Pressure Switch | | |
| C08 | 39818220 | Auto Air Vent | | |
| C09 | 39812310 | Filter - DHW Flow Meter | | |
| C10 | 39837170 | Flow Meter to Heat Ex. Connection Pipe | | |
| C11 | 39836700 | Flow Meter | | |
| C12 | 39820460 | Filter | | |
| C13 | 39822170 | Flow Restrictor | | |
| C14 | 39820441 | Diverter Valve | | |
| C15 | 39835390 | Diverter Motor | | |
| C16 | 39841230 | Expansion Vessel | | |
| C17 | 39818450 | Pump | | |
| C18 | 39818790 | By-Pass C/W Non Return Valve | | |
| C19 | 39830560 | Hydroblock | | |
| C20 | 39835630 | Plate Heat Exchanger | | |
| C21 | 39818170 | O Rings | | |
| C22 | 39839050 | O Rings | | |
| C23 | 39837820 | O Rings | | |
| C24 | 39837680 | O Rings | | |
| C25 | 39839060 | O Rings | | |
| C26 | 39837830 | O Rings | | |
| C27 | 39837850 | O Rings | | |
| C28 | 39837670 | O Rings | | |
| C29 | 39840720 | Filling Loop Valve | | |
| C30 | 39840730 | Return Isolation Valve | | |
| C31 | 39840740 | Filling Loop Valve | | |
| D01 | 39828030 | Seal Kit | | |
| D02 | 39828060 | Fan | | |
| D03 | 39828070 | Venturi | | |
| D04 | 39821590 | Burner Gasket | | |
| D05 | 39832360 | Electrode Kit | | |
| D06 | 39835530 | Injector | NG | |
| D07 | 39835540 | Injector | LPG | |
| D08 | 39828050 | Gas Valve | | |
| D09 | 39837770 | Condense Trap | | |
| D10 | 39810340 | Flue Sensor | | |
| D11 | 39807910 | Burner | | |
| D12 | 39834880 | Condensate Gasket | | |
| D13 | 39828041 | Condesate Tray | | |
| D14 | 39836880 | Heat Exchanger Insulation | | |
