The Honeywell ST7800A1039 30 second purge card for 7800-SERIES FSG Controls. It provides the prepurge timing for select 7800 SERIES relay modules. ST7800C used with the RM7838C only.
7800, Accessories, Burner Control, Combustion
Honeywell ST7800A1039 Purge Timer, 30 sec
$75.00
Honeywell ST7800A1039 Purge Timer, 30sec
Availability: 5 in stock
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