The RM7895A are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. They are intended to replace the R4795 and R7795 Primary Controls. The RM7895A,B,C,D/EC7895A; RM7896A,B,C,D systems consist of a relay module, subbase, amplifier, and purge card. Options include keyboard display module (KDM), Personal Computer Interface, Data ControlBus Module, remote display mounting, expanded annunciator and Combustion System Manager® Software.