Honeywell Purge Timer – ST7800A1039/U
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Purge Timer, 30 seconds
Provides the prepurge timing for select 7800 SERIES relay modules. ST7800C used with the RM7838C only
Purge Timer, 30 seconds
Provides the prepurge timing for select 7800 SERIES relay modules. ST7800C used with the RM7838C only
