| Model Code | Description | |
|---|---|---|
| 01 | 617.919, 617.000 | RAPID PRE-GLOWING SYSTEM |
| 02 | 616.918, 616.000 | RAPID PRE-GLOWING SYSTEM |
| 03 | 616.918, 616.000 | |
| 04 | 617.919, 617.000 | SERIES RESISTOR USED FOR 18-V HEATER PIN PLUGS |
| 05 | 616.918, 616.000 | 18-V HEATER-PIN PLUG + SERIES RESISTANCE (LOOSE) FOR 24-V PRE-GLOWING SYSTEM |
| 06 | 617.919, 617.000, 617.003 | 18-V HEATER-PIN PLUG + SERIES RESISTANCE (LOOSE) FOR 24-V PRE-GLOWING SYSTEM |