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The Q309A thermocouples sense the pilot flame on gas-fired heating systems. The pilot flame heats the tip of the thermocouple, producing a temperature differential between it and the base to generate 30 mV.


  • Push-in clip, split nut, or adapter assembly available (depending on model) for easy pilot burner installation.
  • Male nut connector for Pilotstat┬« safety control power units.
  • Available in a variety of lead lengths.

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