Honeywell - Thermocouple, 750-millivolt, Spade terminals /35-inch length. Thermopile generator contains multiple thermocouples connected in series to increase millivoltage output. Power generated is sufficient to operate automatic millivolt gas control system, independent of outside power source. 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 variety of lead lengths. Includes PG9 adapter (part #393948) and 1/2-inch thermopile attaching nut.