Honeywell Thermal Solutions FSG ST7800A1047 Burner Control Electromechanical Purge Timer

Burner Control Electromechanical Purge Timer from Honeywell is a plug-in timing device designed to support safe furnace and burner operations. The ST7800A1047 model provides a precise 40-second pre-purge cycle, ensuring thorough air clearance before ignition and safe shutdown after flameout.

Designed for rugged industrial environments, this timer offers easy installation with plug-in configuration and proven reliability. It is used on RM7838C burner control relay and carries UL, CSA, and FM approvals for broad compliance across North American codes, delivering confidence in safety-critical applications.

Whether upgrading an older system or specifying new installations, the ST7800A1047 delivers consistent performance, helping meet safety standards and reduce ignition delays. Its compact, plug-in design supports quick retrofits with minimal downtime, while the 40-second pre-purge window optimizes fuel-air preparation for safer starts.

• Type: Plug-In
• Timing Range: 40 Second Pre-Purge
• Compatibility: Used On RM7838C Burner Control Relay
• Approvals: UL, CSA, FM
• Application: Industrial burner safety and reliable ignition control