Question

 How to Clean the Flame Sensor on a Lennox Pulse 21 Model G21Q3-60-1 Furnace?

Answer The Lennox Pulse 21 furnace has a flame sensor that will not allow the furnace to run if it is covered in debris. If the sensor is dirty, the heat will not go on. You can remove the flame sensor an... Read More »
http://www.ehow.com/how_12186271_clean-flame-sensor-lennox-pulse-21-model-g21q3601-furn...

Top Q&A For: How to Clean the Flame Sensor on a Lennox Pulse...

How to Clean a Flame Sensor on a Lennox Elite Furnace?

All Lennox Elite Series furnaces come with a flame sensor. The sensor is a safety device that permits the furnace to operate. A dirty flame sensor causes a furnace shut down, so it needs occasional... Read More »
http://www.ehow.com/how_12180349_clean-flame-sensor-lennox-elite-furnace.html

Removing the Lennox Flame Sensor?

Lennox manufactures an extensive line of residential gas furnaces that use an internal component known as a flame sensor to ensure that the appliance operates safely. The flame sensor is designed t... Read More »
http://www.ehow.com/how_12209063_removing-lennox-flame-sensor.html

How to Replace the Thermal Sensor on a Lennox Furnace?

Because your Lennox furnace runs on gas, it is important that safeguards are working properly. One such safeguard is the thermal sensor. This component sits next to the pilot light in the furnace a... Read More »
http://www.ehow.com/how_12208087_replace-thermal-sensor-lennox-furnace.html

How to Check a Flame Sensor on a Furnace?

When you turn on your home furnace, the pilot light ignites the gas, which, in turn, ignites the burners. However, there is a safeguard in place that ensures the pilot is lit. This is the flame sen... Read More »
http://www.ehow.com/how_12207564_check-flame-sensor-furnace.html


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