| 1 | NSS | ELECTRO BOX - assy (for breakdown see 257G4) | 1 | |
| 2 | NSS | HEATER - assy (for breakdown see 257G2) | 1 | |
| 3 | 78-1839 | BLOWER | 2 | |
| 4 | 78-1838 | FAN | 1 | |
| 5 | 66-9558 | VALVE - solenoid | 1 | |
| 6 | 78-1848 | FAN - axial (3x230/400VAC, 60Hz) | 1 | |
| 7 | NSS | COMPRESSOR (for breakdown see 257F8) | 1 | |
| 8 | 41-4658 | ClimaAIRE II (for breakdown see 184F9) | 1 | |
| 9 | 42-609 | CONNECTOR - main power supply | 1 | |
| 10 | 42-610 | CONNECTOR - interface control | 1 | |
| 11 | NSS | TERMINAL (for breakdown see 257G5) | 1 | |
| 12 | 41-4157 | SENSOR - temperature (connector incl.) | 3 | |
| 13 | 45-2480 | INVERTER (for breakdown see 257G3 ) | 1 | |
| 14 | 42-622 | WIRES - heater temperature sensor | 1 | |
| 15 | 42-623 | WIRES - heater power | 1 | |
| 16 | 42-624 | CABLE - CTS | 1 | |
| 17 | 42-625 | CABLE - ATS | 1 | |
| 18 | 42-626 | CABLE - RTS | 1 | |
| 19 | 42-627 | CABLE - low pressure cutout | 1 | |
| 20 | 42-628 | CABLE - fresh air fan | 1 | |
| 21 | 42-629 | CABLE - blower | 1 | |
| 22 | 42-630 | WIRE - main power supply | 1 | |
| 23 | 42-631 | CABLE - interface control | 1 | |
| 24 | 42-632 | CABLE - solenoid | 1 | |
| 25 | 42-633 | CABLE - condenser fan | 1 | |
| 26 | 42-634 | CABLE - high pressure cutout | 1 | |
| 27 | 42-635 | CABLE - modulation | 1 | |
| 28 | 42-636 | CABLE - com (232 WS11) | 1 | |
| 29 | 42-637 | CABLE - compressor | 1 | |
| 30 | 42-638 | WIRES - grounding | 6 | |