Honeywell Microprocessor Based Integrated Burner Control for Automatically Fired Gas, Oil, Coal or Combination Fuel Single Burner Applications, 120Vac, 10 Second, 15 Second, 30 Second or Intermittent Main Flame Establishing Period, 4 Second or 10 Second Pilot Flame Establishing Period, Selectable Second Stage Pilot Valve, Running Interlocks, Interuppted Pilot, 5 Second Early Spark Termination, User Selectable AirFlow Check, VPS LHL-LF Proven Purge