| Brand | Unbranded |
| Type | Furnace Control Board |
| Power Source | Gas |
| Product Type | Furnace Fan Control |
| Voltage | 120V |
| Amperage | 50A |
| Model | 21D83M-843 |
| Country Of Origin | United States |
Replace 32M8801, 83M00, 10M9301, 32M8801, 24L8501, 56L8401. Features auto ignition retry and instant gas shut-off during faults for safe & efficient operation.