Williams P500118 Limit Switch 319825-402 Precise Ignition Control: Automates the

Precise Ignition Control: Automates the sequence of operations for the inducer motor and hot surface igniter

If your system requires dry contacts to prove valve opening

verifying the underlying cause of a trip—such as restricted airflow or burner malfunction—is essential before utilizing the manual reset button to restore operation

this wrap-around run capacitor mounting bracket features dimensions of 1

minimizing downtime during field repairs

Williams P500118 Limit Switch 319825-402 Precise Ignition Control: Automates theThe Williams P500118 Limit Switch is a critical OEM high limit safety control engineered for precision temperature regulation in Williams Comfort Products heating systems. Rated at 300F, this auto reset limit switch acts as a primary fail safe, monitoring heat exchanger temperatures to prevent thermal overage and potential component failure. In a professional HVAC furnace repair context, utilizing an authentic Williams furnace part ensures the system