Fenwal 35-72 Series is a 120 VAC direct spark ignition control for controlling a gas valve and igniting LP or natural gas on heating equipment that provides a 120 VAC operating voltage. The microprocessor circuit design provides precise, repeatable timing sequences for ignition times, purge times (pre- and inter-) along with multiple tries for ignition and flame sensing during pre-purge.

  • Two Mounting Configurations
  • Open Board With Stand-Off's - saves space and cost
  • Potted - protection for washdown and extreme vibration
  • Multi Pin Connector - fast assembly
  • 2 Trial for Ignition Options ? 1 and 3 try
  • 4 Trial for Ignition Times ? 4, 7,10 and 15 seconds (customized timings available)
  • 2 Flame Sense Options ? single spark and sense and remote sense
  • Thermostat/Power Off Reset

  • Any 120 VAC Gas Burner Application under 400K BTU
  • Commercial Cooking Equipment
  • Ceramic Infrared Heaters
  • Black Body Infrared Heaters
  • Construction Heaters
  • Line Polarity Insensitive designs available subject to minimum order quantities
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Manuals (1)
Ignition Type:
Direct Ignition
Pre-Purge Time:
15 Seconds
Trial For Ignition:
10 Seconds
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