| 1 | 1.015368 / E57-720 | Burner assembly | | |
| 2 | 1.4270 / E57-733 | Main injector 1.30 mm | | |
| 3 | 1.015417 / H06-195 | Primary heat exchanger | | |
| 4 | 1.015803 / E57-665 | Gas valve - Honeywell VK4105M5009 | | |
| 5 | 1.015610 / E57-666 | Pump | | |
| 6 | 1.018745 / H06-201 | Fan assembly | | |
| 7 | 1.016884 / H06-205 | Air pressure switch | | |
| 8 | 1.017496 / E76-320 | Primary pressure switch | | |
| 9 | 1.016595 / H06-219 | DHW flow regulator - yellow | | |
| 10 | 1.015142 / H06-220 | DHW flow switch | | |
| 11 | 1.019464 / H06-221 | PCB | | |
| 12 | 1.015970 / E76-317 | Temperature sensor | | |
| 13 | 1.6098 / E76-378 | Fuse F2A | | |
| 14 | 1.015673 / E57-700 | Overheat thermostat | | |
| 15 | 1.015394 / E57-702 | Expansion vessel 8 Litre | | |
| 16 | 1.011126 / E57-703 | Pressure relief valve 3 bar | | |
| 17 | 1.010771 / E57-709 | Automatic air vent | | |
| 18 | 1.016151 / E57-710 | Pressure gauge | | |
| 19 | 1.015597 / H06-222 | Ignition electrode (front) | | |
| 20 | 1.010645 / E57-714 | Flame sensing electrode (rear) | | |
| 21 | 3.015165 / H06-223 | Ignition electrode lead | | |
| 22 | 3.013213 / E57-717 | Flame sensing electrode lead | | |
| 23 | 3.012801 / E65-498 | By-pass assembly | | |
| 24 | 3.015220 / H06-224 | Combustion chamber insulation panel set | | |
