Browning 2BK100X 1 3/16 Sheave 320788-704 the 5651-177BX is the designated

the 5651-177BX is the designated engineering update and direct drop-in replacement for the discontinued 5651-177

including duct furnaces and unit heaters where accurate flame ionization sensing is required

making it an essential Fasco replacement motor for contractors maintaining fan coil systems

Always check the capacitor requirements on the nameplate

Browning 2BK100X 1 3/16 Sheave 320788-704 the 5651-177BX is the designatedThe Browning 2BK100X 1 3 16 is a heavy duty two groove cast iron sheave engineered for demanding HVACR and industrial blower applications. Built from high tensile Class 30 cast iron, this 9. 75" OD fixed bore sheave provides the structural rigidity required to minimize vibration in high torque environments. Designed for maximum versatility, it is compatible with 4L, 5L, A, and B belts, allowing technicians to standardize drive components across