Honeywell Thermal Solutions FSG ST7800A1005 Burner Control Electromechanical Purge Timer

The Burner Control Electromechanical Purge Timer (FSG ST7800A1005) from Honeywell Thermal Solutions is a plug-in timer designed to deliver precise pre-purge sequencing for safe ignition. The ST7800A1005 model provides a 2-second pre-purge window, helping reduce misfires and improve combustion efficiency in commercial and industrial burner systems. This electromechanical timer is designed for use on the RM7838C Burner Control Relay and carries trusted approvals for UL, CSA, and FM, ensuring reliable operation in safety-critical applications. Its compact plug-in form simplifies replacement and service, minimizing downtime.

• Type: Plug-In for quick installation
• Timing: 2-second pre-purge window
• Compatibility: RM7838C Burner Control Relay
• Approvals: UL, CSA, and FM listed
• Durability: Electromechanical design for demanding environments

Designed for easy integration into Honeywell's Thermal Solutions ecosystem, the ST7800A1005 delivers consistent purge timing and dependable ignition across equipment. Upgrade your burner control with this robust, plug-in purge timer that combines reliability, safety approvals, and straightforward maintenance.