| ALX2-30Serial up to 10-99999 | Fire Box Assembly | 1 | 8 |
| ALX2-30Serial up to 10-99999 | Front Hood - Main Assembly | 1 | 4 |
| ALX2-42Serial up to 10-99999 | Fire Box Assembly | 1 | 8 |
| ALX2-42Serial up to 10-99999 | Front Hood - Main Assembly | 1 | 4 |
| ALX2-42SZSerial up to 10-99999 | Fire Box Assembly | 1 | 8 |
| ALX2-42SZSerial up to 10-99999 | Front Hood - Main Assembly | 1 | 4 |
| ALX2-56Serial up to 10-99999 | Fire Box Assembly | 1 | 8 |
| ALX2-56Serial up to 10-99999 | Front Hood - Main Assembly | 1 | 4 |
| ALX2-56SZSerial up to 10-99999 | Fire Box Assembly | 1 | 8 |
| ALX2-56SZSerial up to 10-99999 | Front Hood - Main Assembly | 1 | 4 |
| ALX2-56BFGSerial up to 10-99999 | Bfg - Firebox Assembly | 1 | 8 |
| ALX2-56BFGSerial up to 10-99999 | Bfg Front Hood | 1 | 4 |
| ALXE-30 / ALXE-30SZSerial 18-00000 and newer | Complete Unit (Main Assembly) | 5 | 15 |
| ALXE-30 / ALXE-30SZSerial 18-00000 and newer | Firebox Main Assembly | 17 | 13 |
| ALXE-30 / ALXE-30SZSerial 18-00000 and newer | Rear Hood & Rim Assembly | 5 | 4 |
| ALXE-30 / ALXE-30SZSerial 18-00000 and newer | Front Hood Assembly | 1 | 4 |
| ALXE-36 / ALXE-36SZSerial 18-00000 to 25-133999 | Complete Unit (Main Assembly) | 5 | 11 |
| ALXE-36 / ALXE-36SZSerial 18-00000 to 25-133999 | Fire Box Assembly | 13 | 17 |
| ALXE-36 / ALXE-36SZSerial 18-00000 to 25-133999 | Rear Hood & Rim Assembly | 5 | 4 |
| ALXE-36 / ALXE-36SZSerial 18-00000 to 25-133999 | Front Hood | 1 | 4 |
| ALXE-36 / ALXE-36SZSerial 25-134000 and newer | Complete Unit (Main Assembly) | 5 | 11 |
| ALXE-36 / ALXE-36SZSerial 25-134000 and newer | Fire Box Assembly | 13 | 17 |
| ALXE-36 / ALXE-36SZSerial 25-134000 and newer | Rear Hood & Rim Assembly | 5 | 4 |
| ALXE-36 / ALXE-36SZSerial 25-134000 and newer | Front Hood | 1 | 4 |
| ALXE-42 / ALXE-42SZSerial 18-00000 and newer | Complete Unit (Main Assembly) | 5 | 9 |
| ALXE-42 / ALXE-42SZSerial 18-00000 and newer | Firebox Main Assembly | 18 | 15 |
| ALXE-42 / ALXE-42SZSerial 18-00000 and newer | Rear Hood & Rim | 5 | 4 |
| ALXE-42 / ALXE-42SZSerial 18-00000 and newer | Front Hood | 1 | 4 |
| ALXE-56 / ALXE-56SZSerial 18-00000 and newer | Complete Unit (Main Assembly) | 5 | 8 |
| ALXE-56 / ALXE-56SZSerial 18-00000 and newer | Firebox Main Assembly | 18 | 23 |
| ALXE-56 / ALXE-56SZSerial 18-00000 and newer | Rear Hood & Rim | 5 | 4 |
| ALXE-56 / ALXE-56SZSerial 18-00000 and newer | Front Hood | 1 | 4 |
| ALXE-56BFGSerial 18-00000 and newer | Complete Unit (Main Assembly) | 5 | 11 |
| ALXE-56BFGSerial 18-00000 and newer | Firebox Main Assembly | 14 | 18 |
| ALXE-56BFGSerial 18-00000 and newer | Rear Hood & Rim Assembly | 6 | 8 |
| ALXE-56BFGSerial 18-00000 and newer | Front Hood | 1 | 4 |
| AXEVPSerial up to 17-99999 | Complete Unit (Main Assembly) | 4 | 3 |
| AXEVPSerial up to 17-99999 | Complete Unit (Main Assembly) | 5 | 3 |
| AXEVPSerial up to 17-99999 | Body Assembly | 3 | 4 |
| AXE-30GTAll serial numbers | Piping Assembly | 1 | 3 |
| AXE-30GTAll serial numbers | Front Panel Main Assembly | 3 | 2 |
| AXE-PZASerial 18-00000 and newer | Gas Manifold Assembly | 2 | 4 |
| AXE-PZASerial 18-00000 and newer | Front Panel Main Assembly | 3 | 2 |
| AIPG-36 / AIPG-42All serial numbers | Front Hood - Main Assembly36" version | 1 | 4 |
| AIPG-36 / AIPG-42All serial numbers | Piping Components36" version | 4 | 5 |
| AIPGVPAll serial numbers | Main Body Assembly | 4 | 4 |
| IC-36 / IC-42All serial numbers | Parts page 2 | – | – |
| ARXE-42All serial numbers | Parts page 3 | – | – |
| XE-30CAll serial numbers | Parts page 2 | – | – |
