It should not be used in steam applications

Automatic Reset Function: Features an integrated auto limit switch design that re-engages the heating circuit without manual intervention after cooling

this 1/2" NPT-compatible shaft ensures a reliable conductive path to the sensor head

If the draft inducer fails to meet the required vacuum setpoint due to a blocked vent or motor failure

By maintaining optimal RPM output

Wayne 63963-001 Ignition Board 30067439-890 It should not be usedThe Wayne 63963 001 Ignition Board, which is identical to the 35 605953 221, serves as a critical component for maintaining precise control over high efficiency burner firing sequences. As a veteran grade Wayne Combustion ignition control board, this module handles the high voltage spark generation required for reliable fuel ignition while simultaneously providing continuous flame monitoring and safety self termination. Engineered for commercial HVAC