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How To Find Flame Sensor On Furnace

How To Find Flame Sensor On Furnace. Take a look at the flame sensor and see if it is rusty; To locate the sensor, just remove the furnace access cover and search for a metallic rod with white or dingy yellow/brown porcelain surrounding the.

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You don’t need a professional handyman to find a flame sensor in a furnace. To locate the sensor, just remove the furnace access cover and search for a metallic rod with white or dingy yellow/brown porcelain surrounding the. The flame sensor is usually found on the back side of your furnace.

First, You Will Need To Remove The Furnace Access Cover Which May Be Held Together By Either Knobs, Screws, Or Tabs And Slots.


The flame sensor is a rather simple device located at the burner assembly. This is the flame sensor. A typical flame sensor is a device used to detect fire in a furnace but slowly made compatible with arduino boards by integrating it into modules.

As You Can See, The Easiest Way To Tell If Your Furnace Flame Sensor Is Out Of Order Is To Detect Short Cycling.


The purpose of the flame sensor is to confirm to the system that whenever the gas valve is open, a fire is actually present. For a furnace that is cycling on and off, the problem is usually the flame sensor. When the gas valve opens at the beginning of the heating process, an electrical current is distributed to the flame sensor to detect whether or not a flame is present.

The Flame Sensor May Be Straight Or Bend At 45 Degrees Or 90 Degrees, Depending On The Furnace Model.


Anybody can notice a furnace turning on and off in rapid succession. Due to the positioning, the flame sensor can accumulate a lot of smoke, soot, dirt, and even carbon. If you know the basics of a flame sensor, you’ll be aware that it sits right beside the burner assembly, with the tip dipping into the flame area right above the burner.

Once Removed, The Flame Sensor Should Be Immediately Visible, Mounted To The Outside Of The Burner.


You’ll just need to check under the furnace access cover. To troubleshoot the issues you are having with your flame sensor, you first need to locate the component. There should be a little panel that you’ll need to remove to gain access to the sensor.

Identify The Flame Sensor On Your Furnace.


The pilot light or electric igniter in a furnace is designed to produce a. How to troubleshoot a flame sensor on furnace. You will need a replacement;

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