Lennox Furnace Heat Sensor

To clean the sensor turn off power to the furnace at the breaker box.

Lennox furnace heat sensor.

The fix was as simple as cleaning up the dirty ig. A dirty flame sensor may cause your furnace to function improperly. If the flame sensor is defective the furnace may not heat. This video shows how i fixed my lennox furnace that did not want to start burners failed to ignite error.

If the flame sensor can t sense the flame because it s too dirty the furnace may shut itself off. 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. Delivering precise comfort and temperature control lennox furnaces can keep your home to within 0 5 degrees of your ideal temperature. Lennox gas furnaces contain an important safety component known as a flame sensor.

Repair your lennox furnace sensor thermistor for less. As quiet as they are efficient lennox furnaces also startup and run perfectly quietly helping to preserve the peace and quiet of your home. Zoning comfort sensor temperature relative humidity co2 display setpoint fan control after hours override button zone damper fan and heat control cat. In our example will show a gas fired furnace but you can find flame sensors in boilers and other gas burning appliances.

Impacting certain mini split heat pump products. Find your owner s literature like product manuals by searching your product s model number. Fast same day shipping. To avoid danger it is very important to shut off the power to your furnace or any other appliance prior to making any repairs.

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. 365 day right part guaranteed return policy. Looking for more information about your lennox product. There will usually be a light switch toggle switch on or near your furnace.

Then if possible remove the sensor from the furnace.