Elem,Bake,3500,SVCE (DF,IR,ICBDF) Large Oven
   DF     Use Starting With Serial #18115700
          Prior to #18115700 See 811931
   IR     Use Regardless of Serial Number
  ICBDF   Use Starting With Serial #17312500
          Prior to #17312500 See 811931
  NOTE:   For DF48 Small Oven See 825337