Product Description
Honeywell ST7800A1088 Fixed 4 Minute Purge Timer
Part#: ST7800A1088
Honeywell ST7800A1088 is a plug-in timer card that provides a fixed 4-minute pre-purge timing interval for Honeywell 7800 Series burner control relay modules.
- Fixed Timing: 4 minutes
- Color Code: Blue
- Product Type: Flame safety timing module / purge card
- How It Works: It plugs directly into the front of a 7800 Series relay module. The system will automatically read this card to set its mandatory pre-ignition air-purging duration.
