| Item | Part No. | Part Name | Qty | Serial No. |
| 425-07-23100 | HEATER KIT | 53001- | ||
| 425-07-23131 | SUB ASS'Y | 53675- | ||
| 425-07-23130 | SUB ASS'Y | 53001-53674 | ||
| 1 | (425-07-21141) | DAMPER ASS'Y | 53001- | |
| 2 | (425-07-21152) | DUCT ASS'Y | 53675- | |
| (425-07-21151) | DUCT ASS'Y | 53001-53674 | ||
| 3 | 425-07-21160 | RELAY | 53001- | |
| 4 | 421-07-21190 | CAP | 53001- | |
| 5 | 01435-00620 | BOLT | 53001- | |
| 6 | (425-07-23110) | HEATER UNIT | 53001- | |
| 7 | 425-07-23120 | CONTROLLER | 53001- |