Inverter, Comp MTD 120V Ref SVCE (BI-30UG,BI-36UG,
          BI-36RG,BI-42UFD,BI-42SD,BI-42SID,
          BI-48SD,BI-48SID,BI-36UFD,BI-36UFDID)
  NOTE:   Use Starting With Serial #4300000