Description
The Honeywell RM7890A,B,C/EC7890A,B Relay Modules are microprocessor based integrated burner controls for on/off automatically fired gas, oil, or combination fuel single burner applications. The RM/EC7890 Relay Module is intended to replace the RA890F, G, H Protectorelay® Primary Control. The RM/EC7890 System consists of a relay module, subbase, and amplifier. Options include keyboard display module (KDM), and remote display mounting.
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