| 1 | 929686 / 289 551 | Modulation Control Board | | |
| 2 | 21/20760 | Modulation Control Board | | |
| 4 | 929688 / 289 553 | Display Board | | |
| 5 | 929689 / 289 555 | Full Sequence Control Board | | |
| 6 | 929636 / 289 730 | Pump Kit (Myson Compact) | | |
| 9 | 10/20162 | Main Burner Assembly | | |
| 10 | 929681 / 289 547 | Transformer c/w Wiring | | |
| 12 | 929550 / 289 478 | Electrode Kit | | |
| 13 | 929647 / 379 398 | Pressure Relief Valve - 3 bar c/w 'O' Ring | | |
| 15 | 402988 / 379 349 | Gas Valve - SIT | | |
| 16 | 929644 / 289 531 | Pressure Gauge | | |
| 17 | 22/20207 | Burner Injector, Polidoro 1.15mm | | |
| 18 | 642212 / 379 350 | Air Flow Switch - Honeywell C6065A1093 | | |
| 19 | 929651 / 289 718 | Diverter Valve Assembly Complete | | |
| 20 | 929803 / 289 741 | Wax Capsule Assembly | | |
| 21 | 929673 / 289 724 | D.H.W. Flow Switch | | |
| 22 | 929670 / 289 737 | D.H.W. Thermostat/Flow Limiter Assembly | | |
| 23 | 929501 / 379 342 | Fan Assembly | | |
| 24 | 929583 / 289 717 | Piezo Igniter Assembly | | |
| 26 | 929551 / 289 479 | Electrode Lead Assembly | | |
| 27 | 929552 / 289 480 | Detection Lead Assembly | | |
| 28 | 430011 / 289 528 | D.H.W/C.H. Temperature Sensors | | |
| 29 | 929632 / 285 572 | 'O' Rings | | |
| 30 | 642215 / 379 615 | Water Pressure Switch | | |
| 31 | 929562 / 379 348 | C.H. Limit Thermostat (36TE21-12785) | | |
| 32 | 929634 / 379 397 | D.H.W. Overheat Thermostat (36TE21-12786) | | |
| 33 | 929635 / 379 396 | Frost Protection Thermostat (36TE21-12784) | | |
