Resideo MMG 810.1, mod 45

The MMG 810.1 Mod 45 is a specific model of a Honeywell Satronic burner control unit, used for managing forced draught gas and combined oil/gas burners, providing automated startup, operation, and shutdown sequences, with features like pre-purge timing, safety checks, and flame monitoring, though it's considered an obsolete part requiring compatible replacements.