This Honeywell Primary Control is a microprocessor-based integrated burner control for automatically fired gas, oil, or combination fuel single burner applications. It features selectable programming for pre-purge and post-purge settings, with an option to select lockout or recycle on loss of flame. The device also includes a dynamic self-check feature that tests the relay contacts and wiring circuitry to ensure proper operation. Additionally, it has an LED indicator that provides immediate fault status and operational information. The unit operates in continuous retry mode after sensing a flame failure, providing enhanced safety measures. It is designed to comply with applicable codes and standards, including Underwriters Laboratories Inc (UL), Canadian Standards Association (CSA), American Gas Association (AGA), and Factory Mutual (FM).