Nitride Ignition (HSI) Integrated Furnace Control Board
WHITE-RODGERS 50A66-743 LENNOX DIRECT REPLACEMENT INTERGRATED FURNACE CONTROL HSI
Nitride Ignition (HSI) Integrated Furnace Control Board
- Series: 50A
- Type: HSI Control Board
- Input Voltage: 120
- Control Voltage: 24
- Features
| Includes diagnostic indicator flash codes |
| 3 fan speeds |
| Remote flame sense |
| Humidifier and electronic air cleaner connections (optional) |
| Controls Gas Valve, Ignitor, Blower, Inducer, Humidifier and Air Cleaner. Replaces Lennox models |



