Description
The Honeywell RM7800/RM7840 Relay Modules are microprocessor-based integrated burner controls for
automatically fired gas, oil, or combination fuel single burner applications. The RM7800/RM7840 Relay Modules are used for UL/CSA On/Off, UL/CSA Modulating, and FM/IRI Modulating burner applications. The RM7800/RM7840 system consists of a Relay Module.
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