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Parts & Accessories - Gas Fireplace Parts - Pilot Assemblies & Parts - Thermocouples

A thermocouple sensor is used in various pilot light assemblies and works by joining two disimilar metals. When heated or cooled, a small voltage is created, which can therefore be measured and correlated to a specific temperature.  As long as temperature is maintained, a small electrical signal is sent to the gas valve to keep it open.  A pilot light that can't stay lit may be a sign that your thermocouple is defective and needs replacing.

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  • Honeywell

    Honeywell Q340A1082 Bulls Eye 30" Thermocouple

    $22.00

    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. Features: Push-in clip,...

  • Honeywell

    Honeywell Q340A1180 Bulls Eye 48" Thermocouple

    $21.00

    Q340A1180 Honeywell 48″ Thermocouple. Contractors depend on Honeywell for easy installation and reliable performance. Built for long service life, the Honeywell Q340A will work for nearly all pilot generated millivolt applications. This 30mV open...

  • Honeywell

    Honeywell Q340A1090 Bulls Eye 36" Thermocouple

    $19.00

    Q340A1090 Honeywell 36″ Thermocouple Contractors depend on Honeywell for easy installation and reliable performance. Built for long service life, the Honeywell Q340A will work for nearly all pilot generated millivolt applications. This 30mV open...

  • Honeywell

    Honeywell Q340A1074 Bulls Eye 24" Thermocouple

    $18.35

    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. Features: Push-in clip,...

Need help finding the correct blower or fan kit for your fireplace? Let our experts help you track down the correct replacement blower, fan kit or part for your application. We typically only need the fireplace or stove's make and model to determine exactly what you need. This information can usually be found on gas fireplaces by removing the lower access panel and finding your fireplace's name tag or identificaton card. Wood inserts will often times have the same identificaton card, while freestanding stoves and others might have this information printed on a rear panel or door.

Once you've located your fireplace's brand and model information, simply use the Find Your Blower tool above, or the Help Find My Blower at the top of the page.

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