Restore furnace airflow with the Packard 21964K C-Frame Draft Inducer Motor Kit with Centrifugal Switch. This draft inducer kit is designed as a direct replacement for select Rheem systems. This shaded pole inducer kit includes one Fasco K628 motor (208–230V) with a 3/4 in. stack size and three 10-blade fan blades with 1/4 in. bore diameters in 3 in., 3-1/2 in., and 4 in. sizes. Built for flexible installation, the motor rotation is determined by viewing the shaft end, and the centrifugal switch supports proper startup performance. Ideal for HVAC technicians, this replacement motor kit is performance-tested for reliable flue exhaust and ignition airflow in residential gas furnaces.