The White Rodgers 50C51-707 is a factory OEM integrated furnace control board designed specifically for Goodman two-stage furnaces with variable-speed blower applications. It supports both 24V non-communicating systems and 4-wire communicating thermostats, offering flexibility across a wide range of installations.This advanced control module manages the entire ignition sequence, blower operation, and safety monitoring functions with high reliability. Ideal for both new installations and service replacements, it is a drop-in replacement for over a dozen earlier White Rodgers models.Key Specifications:
- Input Voltage: 120V AC
- Ignition Type: Hot Surface Ignition (HSI)
- Heating Stages: Two-stage operation
- Diagnostic Display: 7-segment LED for real-time system diagnostics
- Prepurge Period: 15 seconds
- Retries: Infinite
- RV (Reversing Valve) Shift Delay: 30 seconds
- Defrost Time Options: Selectable 90, 120, 150, or 180 seconds
- Compressor Run Time Until Defrost (legacy systems): 5 seconds
- Outdoor Fan Delay On/Off (legacy systems): 45 seconds
- Replaces up to 17 OEM furnace control board models
- Compatible with communicating and non-communicating systems