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The MOTOR30BD is the replacement motor for the GAF Master Flow 30 in. Belt Drive Whole House Fan (30BWHFS). This motor includes the capacitor and is ready for installation. The motor is easy to install with the whole house fan in place, no need to remove the entire unit. Minimal tools needed for replacement.


  • For use on GAF Master Flow model 30BWHFS
  • Replace old motor quickly
  • Leave whole house fan in place while replacing, no need to remove entire unit
  • Minimal tools needed
  • Motor casing may vary in color


  • Brand: Master Flow
  • Coverage Area (Sq.Ft): 3000
  • Cut-Out Width (in.): 5.5 in
  • Net-Free Area (Sq. In.): 1152
  • Airflow (CFM): 6000
  • Amperage (amps): 4 A