Lennox Furnace Heat Sensor

The flame sensor monitors the burner to detect whether or not a flame is present.

Lennox furnace heat sensor. 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. This video shows how i fixed my lennox furnace that did not want to start burners failed to ignite error. There will usually be a light switch toggle switch on or near your furnace. To clean the sensor turn off power to the furnace at the breaker box.

To avoid danger it is very important to shut off the power to your furnace or any other appliance prior to making any repairs. In our example will show a gas fired furnace but you can find flame sensors in boilers and other gas burning appliances. A dirty flame sensor may cause your furnace to function improperly. Impacting certain mini split heat pump products.

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. Then if possible remove the sensor from the furnace. Delivering precise comfort and temperature control lennox furnaces can keep your home to within 0 5 degrees of your ideal temperature. Looking for more information about your lennox product.

The fix was as simple as cleaning up the dirty ig. Repair your lennox furnace sensor thermistor for less. Lennox gas furnaces contain an important safety component known as a flame sensor. 365 day right part guaranteed return policy.

Fast same day shipping. If the flame sensor is defective the furnace may not heat. Pilot light ignites but the flame dies out right away. Find your owner s literature like product manuals by searching your product s model number.

Lennox gas and oil furnaces are engineered to deliver perfect warmth efficiency and energy savings.