Switch, Thermostat-Upper, SVCE(DF48,DO30,SO30)
  NOTE:   Used on 30"Right Side Oven on DF48 Prior
          To Serial 17067446. Starting With Serial
          #17067446 See 816294
          For Left Side Oven on DF48 See 816294
          Regardless of Serial Number.
  DO30-3  Used on Upper Oven on Prior To Serial
          #16064457.
          Starting With #16064457 See 811669.
  SO30-3  Use Prior to Serial #16064457
          Starting With #16064457 See 811669