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Accurate Thermal Response: The thermo-bonded probe provides consistent mechanical tripping at 210°F
55" WC to match OEM airflow requirements for specific furnace models
utilizing the same 3/8" porting and 120V electrical requirements for straightforward replacement
excessive motor noise
Williams P625473 Control Board 318973-401 Accurate Thermal Response: The thermo-bondedExperienced HVAC contractors recognize the Williams P625473 Control Board as the essential genuine OEM replacement part for maintaining the operational integrity of Williams Comfort Products heating systems. As a primary furnace control board, this component functions as the central logic unit, regulating critical sequences such as ignition, blower timing, and safety circuit monitoring. Engineered for a drop in fit, it eliminates the calibration
