| 9 | 171 414 / E83-619 | Sightglass Assembly Kit | | |
| 12 | 171 012 / E72-529 | Main Burner Kit | | |
| 13 | 171 425 / E83-624 | Main Injector Kit | | |
| 14 | 171 435 / E80-493 | Pilot Burner Injector Kit | | |
| 15 | 171 439 / E87-018 | Pilot Burner Head c/w Injector Kit | | |
| 17 | 174 172 | Gas Valve Kit | | |
| 18 | 171 442 / E83-635 | Ignition Electrode Kit | | |
| 19 | 174 171 | Controls Box Kit c/w PCB | | |
| 23 | 173 799 / H20-882 | PCB25E | | |
| 24 | 174 064 | Air Pressure Switch Kit | | |
| 26 | 174 071 | Controls Casing Kit | | |
| 27 | 174 072 | Flue Protection Thermostat Kit | | |
| 30 | 174 066 | Fan Assembly Kit | | |
| 35 | 174 069 | Front Panel Assembly Kit | | |
| 37 | 173 586 | Control Door Kit | | |
| 39 | 174 070 | Casing Seal and Screws Kit | | |
| 45 | 171 950 / E83-682 | Overheat Thermostat (LM7) Kit | | |
| 59 | 173 353 / E97-310 | Limit Thermostat Kit | | |
