Century Motors 391 Motor 321702-401 refer to the Series 51

refer to the Series 51 or 101-A feeders designed for low-water cut-off integration

always verify the part number against the original wiring schematic before installation

Aerodynamic Efficiency: The 30-degree pitch facilitates maximum CFM output while maintaining low acoustic levels during operation

Engineered as a robust inverted flare retrofit solution

With a continuous torque rating of 1

Century Motors 391 Motor 321702-401 refer to the Series 51The Century Motors 391 is a versatile, multi horsepower PSC blower motor designed for high reliability performance in furnace blowers, air handlers, and fan coil units. Engineered as a direct replacement for HC680063, this 42 NEMA frame motor features a 3 speed configuration (1 4, 1 5, and 1 7 HP) to handle varying load requirements across residential and light commercial HVAC applications. Operating at 1050 RPM on 208 230V single phase power, it