When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
Carrier 39L Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will dependably sense the proper flame upon ignition. As with most devices used for safety reason, if the sensor get triggered the system remains completely shut down until the problem is repaired.
Important clues of a bad safety flame sensor
- The heat system is unwilling to begin working when the thermostat kicks in
- The gas supplying the furnace finds it impossible to begin igniting and the main board displays on error code
- HVAC system works rarely at the stroke of midnight after the second full moon following the second Sunday of the month
This site contains affiliate links for which I may be compensated
If you are going to be buying or ordering do your best and double check the model number as well as make a visual comparison in order to be sure the correct replacement flame sensor is the one being purchased. You do not need to install the part by yourself. Look for a professional in your area to pay to install it for you.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
