Williams P200600 Fan Blade or if you observe visible

or if you observe visible cracks in the ceramic insulator or significant pitting on the electrode tip

Direct OEM Compatibility: Serves as a precise standing pilot thermocouple replacement for BASO K16 series and numerous competitive models

the internal diaphragm or electrical contacts have likely failed

disconnect the sensor leads and check for continuity

the D-9502-604 supports a broad field-selectable operating range of 3 to 13 psi

Williams P200600 Fan Blade or if you observe visibleThe Williams P200600 Fan Blade is a critical replacement component engineered for high performance airflow in specific Williams Furnace wall heaters and air handling units. This 11 inch diameter fan blade features a 5 blade configuration designed to maintain static pressure while minimizing operational noise. The assembly operates with a Clockwise (CW) rotation and is precision bored for a 1 2 inch motor shaft, ensuring a secure fit onto the blower