Fasco A171 Blower Motor 322838-753 What is the difference between

What is the difference between this potted module and an open-board version

it is suitable for steam

providing field technicians with maximum installation flexibility without the need for complex recalibration

distinguishing it from the aluminum (3-20 PSI) or green (10-100 PSI) variants

maintaining the logic circuits necessary to prevent combustion under restricted venting or inducer failure conditions

Fasco A171 Blower Motor 322838-753 What is the difference betweenThe Fasco A171 Blower Motor is a high performance centrifugal blower assembly designed specifically for demanding HVAC applications, including use as a Lennox 7021 9450 replacement motor. Running on a standard 115V 60Hz single phase power supply, this PSC (Permanent Split Capacitor) motor operates at a dedicated 3000 RPM single speed, delivering approximately 110 CFM of airflow. The unit features Class B insulation and is thermally protected to handle