replacing the Reznor furnace inducer restores the secondary air flow required for safe burner operation

you know that a flickering signal is often the first sign of a deeper combustion issue

The unit is hardwired and compatible with standard 24VAC systems

The switch is designed to break the electrical circuit when the sensed temperature rises to 105°F and will not reset (close the circuit) until the temperature reaches 165°F

Most failures result from a short circuit in the low-voltage wiring

Williams P500118 Limit Switch 324846-701 replacing the Reznor furnace inducerThe 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