CONSTRUCTIONS  STRUCTION
           
  NAME of PART    

          MATERIAL

 
  Blower Casing     Aluminum Casting  
  Impeller     Aluminum Casting  
  Motor Casing     Aluminum  
  Fan Cover     steel  
  Terminal Box     Plastic        (1 ~ 3 HP)
Aluminum  (5 HP)
 
  Capacitor     Only in Single Phase  
  Bearing     Ball Bearing