OMD-15A with Auto-Clean System The OMD-Series includes a Monitor, the OMD-15, for the control of Oil-in-Boiler Feedwater or Boiler Condensate. This Monitor is type approved by Germanischer Lloyd in accordance with the IMO-Resolution MEPC.60(33) and with the "Technische Regeln für Dampfkessel TRD 604", sheet 1.