Flame Sensor For Gas Furnace
Flame Sensor For Gas Furnace. The resistance between the flame sensor rod, through the flame, to the grounded burner generates a small amount of amperage (microamps). There are different types of ignition systems in an electronic ignition gas furnace.
These models use electronic igniters to light the gas. The flame sensor is made to control the gas flow from the gas valve, similar to a thermocouple. Next, unscrew the flame sensor from the burner housing with a phillips screwdriver.
The Flame Sensor On Your Furnace Detects The Presence Of A Flame Through The Process Of Flame Rectification.
Otherwise, toxic gas could build up and result in a leak or fire. What does a flame sensor do in a furnace? It will identify the flame to make sure that the furnace did fire.
Find The Flame Sensor | Gas Furnace Number 1 Problem Flame Sensor.
Close the gas valve completely. The flame sensor is made to control the gas flow from the gas valve, similar to a thermocouple. Be careful not to mistake the igniter for the flame sensor.
It Makes Sure There Is Fire Once The Furnace Starts.
If the sensor detects that the burner has failed, it will turn off the gas. The flame sensor is a rod that sticks out in front of the furnace’s burners. A good flame sensor that is functioning as it should will shut down the gas valve when it does not sense a flame when the furnace should be firing.
It Is A Tiny Metallic Rod That Is Positioned Directly In Front Of The Flame To Verify If One Exists In A Furnace.
The flame sensor on your gas furnace is critical to its proper and safe operation. What does the flame sensor do on the furnace? What does a flame sensor do in a furnace?
They Sense When A Flame Is Present And Turn Off The Gas Until A Flame Is Detected Again, Preventing Gas From Leaking Out Of The System.
These applications are more prone to fire accidents and explosions. Now, disconnect the wire that is connected to the flame sensor. Turn off the breaker or the power to shut down the furnace.
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