| A01 | 39812090 / H41 353 | JACKET - WRAP ROUND | | |
| B01 | 39812100 / H41 270 | CONTROL SET | | |
| B02 | 39818210 / H43 476 | GAUGE - PRESSURE | | |
| B04 | 39812370 / 798 465 | PCB - MF08F.1 | | |
| C01 | 39817640 / H41 277 | GASKET - FAN/FLUE | | |
| C02 | 39817600 / H41 279 | THERMOSTAT - KIT (100C) SECURITY | | |
| C03 | 39817590 / H41 285 | HEAT EXCHANGER - SECONDARY | | |
| C04 | 39817610 / H41 287 | HEAT EXCHANGER | | |
| C05 | 39810230 / H41 290 | SENSOR - DHW | | |
| C06 | 39812140 / H41 291 | EXPANSION VESSEL - 8 LITRE | | |
| C07 | 39818220 / H43 494 | AUTO AIR VENT | | |
| C08 | 39818450 / H43 486 | PUMP ASSEMBLY | | |
| C09 | 39813020 / H41 298 | RESTRICTOR - FLOW (8LPM) | | |
| C10 | 39818550 / H41 300 | FLOW SWITCH - BITRON (PA66GF30) | | |
| C11 | 39813230 / H41 302 | FILTER - DHW | | |
| C12 | 39818270 / H43 498 | SAFETY VALVE | | |
| C13 | 39818260 / H43 488 | SENSOR - LOW WATER PRESSURE | | |
| C16 | 39817630 / H41 318 | TRAP - CONDENSATE | | |
| C17 | 39818030 / H41 319 | RESTRICTOR - FLUE 43MM | | |
| D01 | 39800140 / 378 167 | AIR PRESSURE SWITCH | | |
| D02 | 39817650 / H41 322 | FAN ASSEMBLY - 60WATT (24KW) | | |
| D03 | 39810220 / H41 323 | SENSOR - C/W BRACKET 10K NTC | | |
| D04 | 39805650 / H38 167 | THERMOSTAT - 100C C/W BRACKET | | |
| D05 | 39817660 / H41 324 | INSULATION - COMPLETE SET | | |
| D06 | 39811330 / E23 876 | SPY GLASS | | |
| D07 | 39812170 / H41 332 | ELECTRODE - IGNITION | | |
| D07A | 38321950 / H43 914 | LEAD - ELECTRODE | | |
| D08 | 39817560 / H41 334 | GASKET - ROOM SEALED | | |
| D09 | 39812190 / H41 349 | GAS VALVE - SIEMENS | | |
| D10 | 39805760 / H37 945 | INJECTOR- MAIN 1.30(NG) | | |
| D11 | 39804780 / H37 944 | INJECTOR - MAIN 1.30 (NG) | | |
| D12 | 39806950 / H37 962 | BURNER ASSEMBLY | | |
| 38321710 / H41 350 | LEAD - IGNITION & FLAME SENSING | | |
| 38321740 / H41 351 | LEAD - GAS VALVE | | |
