Honeywell Thermal Solutions RM7890D1004 Primary Control

The Honeywell Thermal Solutions RM7890D1004 is a primary flame-safeguard control for the 7800 Series burner-management system. It handles burner light-off sequencing, flame supervision, and safety lockout on flame failure for commercial and industrial gas and oil burners, mounting on the series' wiring subbase with a matched plug-in amplifier.

This model cannot be used in ultraviolet flame-detection applications. Restricted item — please call before ordering.