51-107164-10 - Ensite 1/2 HP Blower Motor - Variable Speed - 120VRheem 51 107164 10 Ensite 1 2 HP Blower Motor Variable Speed 120V Programming Kit PD510011 and the newest software version is required to program this motor. Features Motor Type: Ensite HP: 1 2 Number of Speeds: Variable Input Voltage (V): 120 Frequency (Hz): 60 Shaft Diameter (in.): 1 2 Motor Body Diameter (in.): 5 5 8 Keyed Flat Shaft Length (in.): 3 1 2 Overall Shaft Length (in.): 3 9 10 Motor Body Length (in.): 5 4 5 Overall Motor Length (in.): 9