Furnace Flame Sensor Location

Flame sensor location how to find a flame sensor.

Furnace flame sensor location. Lennox gas furnaces contain an important safety component known as a flame sensor. It is a common problem. If the flame sensor can t sense the flame because it s too dirty the furnace may shut itself off. If the flame sensor is defective it might fail to detect a flame.

When the furnace has fired and is burning hot a bad flame sensor won t sense the heat and will shut down the furnace. This is a video of a real flame sensor that is bad. The flame sensor monitors the burner to detect whether or not a flame is present. This is an eas.

Just clean the flame sensor and your furnace will stay on. Ntrol board will shut off voltage to the gas valve to prevent the furnace from heating. As long as the component senses the flame it sends a message to the main furnace control board telling it to keep the main burner on and the gas valve open. Replace flame sensor trane xr 80 furnace.

If your furnace burners come on then go right off watch this. Check the manual book of your furnace because you may be able to identify the location easier. This is a great video that shows how the fu. If you want to find a flame sensor first you will need to open the cover of furnace access.

A properly functioning flame sensor will shut down the gas valve when it does not sense a flame when the furnace should be firing. Flame sensor location how to find a flame sensor. This video provides step by step repair instructions for replacing the flame sensor on a lennox furnace. Sometimes if the flame sensor is dirty it will fail.

The most common reasons for replacing the flame sens. What happens is your furnace t. Please note that it could be protected in slots and you may need to open a few screws.