Honeywell ST7800 Plug-In Purge Timer

Honeywell ST7800A is a plug-in purge timer provides pre-purge time for the relay modules of the Honeywell 7800 series burner controllers.
Purge Timer Model Versions :
ST7800A Model Type :Prepurge Timing :
ST7800A103930 sec
ST7800A104740 sec
ST7800A105460 sec
ST7800A106290 sec

 

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