Tube,Water SVCE (BI-36U,BI-36UG,BI-36F,BI-36S,
          BI-42S,BI-48S)
BI-36U/UG Use Prior to Serial #4116328
          Starting With #4116328 See 7014133
 BI-36S   Use Prior to Serial #4116328
          Starting With #4116328 See 7014133
 BI-42S   Use Prior to Serial #4116328
          Starting With #4116328 See 7014134
 BI-48S   Use Prior to Serial #4116328
          Starting With #4116328 See 7014134
 BI-36F   Use Prior to Serial #4116328
          Starting With #4116328 See 7014132