Honeywell ST7800A Pre-Purge Timer Cards

Prices starting at:
Price $86.63
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SKU
ST7800A

Honeywell ST7800A plug-in pre-purge timer cards provide pre-purge timing (pre-ignition purge) for Honeywell RM7800 series relay modules and controls.

See model selection chart below.

Honeywell purge timers let you purge unburned fuels from the combustion chamber. The plug-in cards install easily into the 8700 series relay modules.

  • Plug-in cards provide pre-purge timing (pre-ignition purge) for Honeywell RM7800 series relay modules and controls
  • Available from two seconds to 45 minutes
  • CSA, FM, UL recognized
  • Popular purge timers normally available from Lesman stock, ready to ship to you within a business day
  • ST7800A Purge Timer Cards are not compatible with RM7838C Flame Safeguards. Contact Lesman for part numbers and availabilty of ST7800C Purge Timer Cards.

Model Selection Guide

Use this table to find the right model for your application. Don't see the timer card you need? Call a Lesman sales specialist at 800-953-7626

Description Click for Price and Availability Description Click for Price and Availability Description Click for Price and Availability
2-Second Pre-Purge ST7800A1005 30-Second Pre-Purge ST7800A1039 2.5-Minute Pre-Purge ST7800A1070
7-Second Pre-Purge ST7800A1013 60-Second Pre-Purge ST7800A1054 4-Minute Pre-Purge ST7800A1088
10-Second Pre-Purge ST7800A1021 1.5-Minute Pre-Purge ST7800A1062 6-Minute Pre-Purge ST7800A1096
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