Honeywell Q390A1046


24" Universal Thermocouple

Q390A1046 1350076
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Voltage30 mV
TypeStandard Coaxial
Temperature Ratings Hot Junction1400 Degrees F
Temperature Ratings Cold Junction780 Degrees F
Resistance0.02 ohms
Package Quantity 1
Open Circuit Output 26 mV to 32 mV
Lead Length24 inches
ItemReplacement Thermocouple
Includes Universal Adapter and Push In Clip
Gas TypeLP/NG
Cross ReferenceHoneywell Q309, Q326, Q337, Q340, Robertshaw T45, T46, A1970, 1970, 1980, Penn-Baso K15, K16, K18, K19, 88D, ITT General 2500, 2600, 3000, White Rodgers HO, Jade TK4, TK5, TK6, COPR
Connection Type11/32 32 Male Connector Nut
Weight 0.130000


The Honeywell Q390A1046 is a 30 millivolt thermocouple with 11/32 32 Male Connector Nut connection and 24 inch leads. 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.

The Honeywell Q390A1046 Thermocouple features spade or quick connect terminals available for millivolt gas control connections and a male nut connector for Pilotstat safety control power units. Includes a push-in clip, split nut, and adapter assembly for easy pilot burner installation.

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