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

HOME > HVAC > CARRIER > FX4BNF018000AAAA > FLAME SENSOR

Carrier FX4BNF018000AAAA Flame Sensor

The flame sensor is an important feature that will dependably sense the acceptable flame during the initial ignition of the furnace. As expected, when the flame sensor gets triggered by something the whole HVAC system will remain stopped until the problem is remedied and the system is reset.

What are the signs that the furnace flame sensor has to be replaced?

The heating system will operate sometimes only after the second full moon of the month on a Tuesday
Your heating system will not generate heat no matter what

This site contains affiliate links for which I may be compensated

Check eBay to see if your flame sensor is in stock!

If you decide on picking up or ordering, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the proper replacement flame sensor is the one being purchased. There is no need to install it yourself. Pay a professional in your town or city to do it for you.

Feel free to download your manual for help.

This site contains affiliate links for which I may be compensated

Check eBay for your flame sensor!