Honeywell Thermal Solutions FSG ST7800A1005 Burner Control Electromechanical Purge TimerThe 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

supporting LP gas and LP-gas-air mixtures

Gas/Electric Unit Limit Switch (1171325) from Heil Quaker/ICP is a vital safety control for 3-phase gas/electric packaged units

Operating range: 32–140°F

1-pole design for straightforward wiring and compact space requirements

reliable operation in the liquid line

Designed for Honeywell Commercial 14004406-111 pneumatic thermostats

Includes projection welded air valve

OEM-style fit designed for Goodman 20170801AS and compatible units

helping your cooling system maintain steady airflow

including the 609537 model

This blower wheel is machined for precise balance

helping maintain efficient combustion and consistent hot water delivery