| Brand | Unbranded |
| Type | Furnace Control Board |
| Manufacturer Warranty | 6 month |
| Model | R40403-003 |
| Material | PCB |
【Feature】: The R40403-003 model supports a two-speed indoor blower motor and a single-speed inducer motor. It connects seamlessly with thermostat inputs (W, Y, G) and high-temperature limit switches.