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Flame Sensors

Flame Sensors

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    Siemens Combustion QRB4-B110B70 (replaces QRB1A-B080B70A) FLAME SENSOR

    Siemens Combustion

    MSRP: $369.53
    Now: $279.95
     Siemens Combustion QRB4-B110B70 (replaces QRB1A-B080B70A) FLAME SENSOR FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless...
    MSRP: $369.53
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    Trane SEN0432 Merc Flame Sensor 48" 3Pin Plug In

    Trane

    MSRP: $371.99
    Now: $281.81
    Trane SEN0432 Merc Flame Sensor 48" 3Pin Plug In  FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless...
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    Honeywell C7027A1023 Minipeeper Ultraviolet Flame Detector

    Honeywell

    MSRP: $404.76
    Now: $306.64
    Honeywell C7027A1023 Minipeeper Ultraviolet Flame Detector Used for Coal, Gas and Oil Fired Burners 96 Inch Lead Length 0/215 Degree Ambient Temperature Mounts on 1/2 Inch Sighting Pipe Using A Integral Collar   FurnacePartSource.com...
    MSRP: $404.76
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    White-Rodgers mercury flame sensor, Part #3098-156

    Copeland Comfort Control (White Rodgers)

    MSRP: $371.99
    Now: $281.81
    White-Rodgers® MercFlameSensor48",E type,#20   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $371.99
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    White-Rodgers Mercury Flame Sensor, Part #3098-134

    Copeland Comfort Control (White Rodgers)

    MSRP: $382.52
    Now: $289.79
    White-Rodgers® Mercury Flame Sensor # 3098-134, 48", E type, #19, Installation Manual and tech sheet available upon request with purchase; Backed by a One Year Warranty
    MSRP: $382.52
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    Heil Quaker1149856 Pilot Assembly & Flame Sensor

    International Comfort Products

    MSRP: $401.91
    Now: $304.48
    Heil Quaker1149856 Pilot Assembly & Flame Sensor Item is Non Cancelable / Non Returnable FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $401.91
    Now: $304.48
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Furnace Flame Sensors

Flame sensors offer significant benefits in HVAC systems by enhancing both safety and efficiency. They accurately detect the presence or absence of a flame in your furnace, preventing the release of unburned gas.

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These sensors ensure your furnace operates at optimal efficiency by assisting in regulating the ignition process.

At Furnace Part Source, we provide a wide selection of high quality HVAC parts and equipment, including flame sensors. Continue reading to learn why flame sensors are such a crucial component of your HVAC system.

What Is A Flame Sensor For?

A flame sensor is an indispensable component of your furnace. It confirms the presence of a flame when your furnace ignites, and it shuts off the gas supply if no flame is detected, preventing the potential hazard of gas buildup. Besides, the flame sensor works closely with the ignitor, monitoring its performance for efficient system operation.

When Does Your Furnace Flame Sensor Need Replacement?

Signs that your flame sensor may need attention include frequent system shutdowns, a furnace that won't stay on, or the flame failing to ignite at all

You will find the flame sensor generally outside the burner assembly. After turning off the power and closing the gas valve, you can safely remove it to examine more closely. This will help you determine if you have a dirty flame sensor or a broken one. In some cases, a good quality sensor can simply be cleaned to restore the original functionality.

A flame sensor tends to have porcelain insulation. If this porcelain is severely damaged or missing a few pieces, then it’s also a sign to make a replacement. 

How Often Should You Expect To Replace Your Flame Sensor?

While flame sensors are relatively durable, they should ideally be checked annually as part of regular maintenance. If you've recently replaced your flame sensor, it's reasonable to expect it to last for a few years without issue. However, the lifespan can vary depending on the furnace usage and the quality of the part, so regular inspections are key.

How To Maintain Your Flame Sensor?

Cleaning some portions of your HVAC system regularly is necessary. Debris can make its way into almost every portion of the equipment over time. That’s especially a problem for commercial operations that are designed to heat large areas of physical space.

Cleaning a furnace sensor is pretty straightforward. Once you have removed the flame sensor from the furnace and turned off all power and gas, start wiping it down with a fine emery cloth. You should have a smooth surface when you’re done with no strong marks or remaining materials that could create the right kind of conditions for a clog.

Make sure to remove all of the debris before you consider reinstalling it. Fortunately, finished porcelain is a relatively slick substance, so this shouldn’t normally be difficult.

Find High Quality Flame Sensors At Furnace Part Source

Flame sensors play a critical role in your HVAC system. They require regular maintenance to keep working properly and may even need to be replaced every few years.

At Furnace Part Source, we pay attention to the details to make sure you get the most out of your HVAC system.. 

HVAC components can be overwhelming. But, our team of experts is here to help you find the perfect fit for your furnace. Reach out to us today to get started.

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