Fasco D143 Motor 321042-401 technicians should note that this

technicians should note that this PCB is engineered for seamless integration with existing factory wiring

Using this exact replacement casting for 157-R series ensures seamless compatibility with existing head mechanisms

0 ECM versions

such as airflow issues or flame failure

one-piece construction requires no grease or lubrication for the life of the part

Fasco D143 Motor 321042-401 technicians should note that thisThe Fasco D143 Motor is an industry standard shaded pole ventilator motor designed for high performance air over applications, including unit heaters, rooftop ventilators, and exhaust systems. Built with a 5 inch diameter 42 frame, this versatile unit delivers a dual rated output of 1 30 1 40 HP, allowing technicians to match specific torque requirements for Siegler, Williams, or Sears wall furnaces. Operating on 115V single phase power, the motor