Williams P320907 Fan 320788-703 This model is a thermopile

This model is a thermopile generator kit (750mV) and is intended for millivolt systems

This OEM HV ignition wire is engineered to carry high-voltage current from the ignition control module to the assembly’s pilot or main burner electrode without dielectric breakdown

We recommend replacing the internal check valve rubber if the device fails its annual backflow test or if you observe constant dripping from the relief valve vent

Flood Detection: Includes a factory-installed flood sensor that can be integrated into a Building Management System (BMS)

Smith 100232745 Anode Rod is a critical sacrificial magnesium anode designed specifically for heavy-duty commercial water heating systems

Williams P320907 Fan 320788-703 This model is a thermopileThe Williams P320907 Fan is a precision engineered 6 inch diameter fan blade designed for critical airflow management in heating applications. This OEM replacement part features a specific 0. 218" bore (standard 7 32" shaft compatibility) to ensure a secure friction fit on the motor spindle, preventing slippage or vibration induced wear. Primarily utilized within Williams Monterey Top Vent Furnaces equipped with the Blower 2901 assembly, this