A dirty flame sensor may cause your furnace to function improperly.
Lennox furnace heat sensor.
Zoning comfort sensor temperature relative humidity co2 display setpoint fan control after hours override button zone damper fan and heat control cat.
Find your owner s literature like product manuals by searching your product s model number.
To clean the sensor turn off power to the furnace at the breaker box.
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Delivering precise comfort and temperature control lennox furnaces can keep your home to within 0 5 degrees of your ideal temperature.
Lennox gas and oil furnaces are engineered to deliver perfect warmth efficiency and energy savings.
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Repair your lennox furnace sensor thermistor for less.
Typically the flame sensor comes in the form of a rod that can be found near the back of the furnace right in the path of the burner.
To avoid danger it is very important to shut off the power to your furnace or any other appliance prior to making any repairs.
If the flame sensor is defective the furnace may not heat.
Lennox gas furnaces contain an important safety component known as a flame sensor.
As quiet as they are efficient lennox furnaces also startup and run perfectly quietly helping to preserve the peace and quiet of your home.
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The flame sensor monitors the burner to detect whether or not a flame is present.
If the flame sensor can t sense the flame because it s too dirty the furnace may shut itself off.
The fix was as simple as cleaning up the dirty ig.
Pilot light ignites but the flame dies out right away.
This video shows how i fixed my lennox furnace that did not want to start burners failed to ignite error.
Impacting certain mini split heat pump products.
In our example will show a gas fired furnace but you can find flame sensors in boilers and other gas burning appliances.