GN Electronics 5004-890-0000 Flame Safeguard Controller is a compact primary burner control for reliable flame supervision with ultraviolet scanner or flame rod sensing and select purge/TFI operation.
 
This unit operates on 120 VAC, 50/60 Hz, with 2 VA power consumption and a maximum load of 15 Amp / 1800 VA.  Additional specifications include a 2.5 to 3.5 second flame failure response, an operating temperature range of 0°F to 140°F, and UL Recognized approval.
 
This controller supports safe startup sequencing, flame monitoring, alarm indication, and reset functionality in replacement, service, and OEM-style burner control applications.  Its clear status layout helps simplify diagnostics during startup and service.  The dedicated flame safeguard function supports dependable burner performance in commercial and industrial heating equipment.
 
Built for compatible flame safeguard applications, it is suited for primary control operation and panel-mounted replacement where a matching 5004-890-0000 control is required.  It is a practical choice for maintaining reliable burner control and reducing service-related downtime.