Cavity,30,DF,No Fan,SVCE
  NOTE:   Convection Fans Are Not Included And
          Need to Be Reused From Original Cavity
   DF30   Use From #17116081 to #18115700
          From #16000000 to #17116081 See 807868
          Prior to Serial #16000000 See 805797
          Starting With #18115700 See 825328
   DF48   Use From #17115847 to #18115700
          From #16000000 to #17115847 See 807868
          Prior to Serial #16000000 See 805797
          Starting With #18115700 See 825328
   DF60   Use From #17116444 to #18115700
          From #16000000 to #17116444 See 807868
          Prior to Serial #16000000 See 805797
          Starting With #18115700 See 825328
  IR304   See 825328