The Honeywell Thermal Solutions RM7890B1030 On-Off Primary Burner Control is a 120V electronic control designed to manage burner operation in compatible commercial and industrial heating equipment. It sequences ignition, monitors flame status, and controls the burner according to system demands and safety conditions. This control is used in gas- or oil-fired boilers, furnaces, burners... https://www.partshnc.com/honeywell-thermal-solutio-rm7890b1030-burner-control-120v