| 23 | 248630 | Pressure Switch | | |
| 22 | 247381 / 378-864 | Fan | | |
| 41 | 248636 | Burner | | |
| 310 | 247388 / E03-572 | Pressure Differential Switch | | |
| 72 | 247738 / 379-799 | Pump | | |
| 73 | 248461 | Automatic Air Vent | | |
| 140 | 247392 / E59-897 | Gas Valve | | |
| 102 | 248653 | Diverter Valve (3 Port Valve) | | |
| 169 | 248670 | Pressure Gauge | | |
| 92 | 248650 | Safety Valve 3bar | | |
| 274 | 247403 / E59-948 | Cartridge Pressure Reducing Valve | | |
| 275 | 247404 / E60-000 | Cartridge Expansion Relief Valve | | |
| 79 | 247405 / E59-881 | Storage Temp/Pressure Relief Valve | | |
| 32 | 248633 | Heat Exchanger | | |
| 35 | 248634 | Expansion Vessel | | |
| 44 | 247439 / E03-569 | Burner Injector 1.18mm NG | | |
| 65 | 247382 / E59-875 | Electrode Ignition/Sensing | | |
| 59 | 247385 / E03-582 | Electrode Lead Ignition | | |
| 314 | 248710 | Electrode Lead Sensing | | |
| 342 | 247453 / E60-098 | Microswitch Loom | | |
| 135 | 248656 | Limit Thermostat (O/Heat) | | |
| 131 | 248655 | Temperature Sensor | | |
| 172 | 247397 / 379-764 | Suppresor | | |
| 154 | 248672 | Main PCB | | |
| 155 | 248673 | Ignition PCB | | |
| 156 | 247400 | Neon PCB | | |
| 171 | 247401 | Relay PCB | | |
| 315 | 248711 | Storage Cylinder Sensor | | |
