Honeywell On-Off Primary Control

Honeywell On-Off Primary Control, For use with Automatically Fired Gas, Oil, Coal or Combination Fuel Single Burner Applications, 120Vac, Intermittent Pilot, 4 Second or 10 Second Pilot Flame Establishing Period, Intermittent Main Flame Establishing Period, Preignition, Includes Programmable VPS ( Valve Proving Switch ) Check Feature and Blinking LED Fault Annunciation