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The Honeywell EC7823A is a 1004 microprocessor-based integrated flame switch for detecting a flame using rectification, ultraviolet (UV) or infrared (IR) source.

The EC7823A1004 can be fitted with any 7800 Series Amplifier to provide relay action from two single pole, double throw (SPDT) relays when flame is present or not present.
RM7823A and EC7823 are a flame detector relays only.

Check out the attached pdf for specifications.

Suitable primary control must be used to provide safe-start check, safety lockout, load switching and other functions required in flame safeguard systems.

Three LEDs to indicate power, flame and alarm.
Access for external electrical voltage checks.
Non volatile memory.
Shutter drive output.
Compatible with existing Honeywell flame detectors.