Honeywell thermocouple q390a1061, 36" features thermocouples generate a thermoelectric current that senses a 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. This temperature difference generates a small amount of dc power, measured in millivolts push-in clip, split nut, and adapter assembly for easy pilot burner installation spade or quick-connect terminals available for millivolt gas control connections male nut connector for pilotstat safety control power units available in a variety of lead lengths
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