Honeywell Automatic Primary Control with Programmable Post Purge, For Automatically Fired Gas, Oil or Combination Fuel Single Burner Applications, 120Vac, Selectable Pilot, 4 Second or 10 Second Pilot Flame Establishing Period, Preignition, Selectable Interlocks, Nonvolatile Memory, Includes Blinking LED Fault Annunciation Feature, -40-140 Degree Ambient Temperature Range, Selectable Recycle or Lockout on Loss of Airflow or Flame, Shutter Drive Output