and Reliance 300-series units

and 5-blade propellers

it ensures the correct CFM output and pressure switch actuation required for safe ignition sequences

which will not pull in contactors

Williams P323423 Blower and Motor 326058-758 and Reliance 300-series unitsThe Williams P323423 Blower and Motor assembly is a critical OEM replacement component designed to restore factory spec airflow to Williams wall furnaces. As a direct drive blower motor assembly, this part features a 115V motor pre mounted to the blower wheel, ensuring precise balance and quiet operation during high demand heating cycles. For technicians troubleshooting poor circulation or motor failure, the Williams P323423 provides an exact fit for