Honeywell 36 in. Thermocouple

The Q340A thermocouples sense the pilot flame on standing pilot 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 millivolts. Universal compatibility.|Push-in clip, split nut, or adapter assembly available (depending on model) for easy pilot burner installation|Male nut connector for pilot-stat safety control power units|Available in a variety of lead lengths|Built for long service life