Skip to content Skip to sidebar Skip to footer

Cleaning Heat Sensor In Furnace

Cleaning Heat Sensor In Furnace. Remove the furnace flame sensor; A direct ignition furnace has flame sensor over the burner that shut off the gas if it doesn't sense a flame.

How to clean furnace flame sensor YouTube
How to clean furnace flame sensor YouTube from www.youtube.com

After a flame is produced, the flame sensor should read current somewhere in the range of 2 to 6 microamps. Dirty filters, closed or blocked vents and other blockages in airflow are common causes of an overheated furnace. Prior to cleaning the flame sensor, you will need to remove the screws to detach the sensor from the furnace.

A Direct Ignition Furnace Has Flame Sensor Over The Burner That Shut Off The Gas If It Doesn't Sense A Flame.


If your furnace flame sensor has become dirty with build up, the furnace won't function properly. The process of cleaning a furnace flame sensor. Turn off the furnace power;

Wait Until The Furnace Turns On And The Burners Fire Up.


Next, remove the sensor by unscrewing the attached. If present, you should also clean off any corrosion where. Follow the flame sensor cleaning steps, but install the new sensor instead of cleaning the old one.

Never Use Sandpaper As It Will Damage Your Flame Sensor’s Rod.


A dirty flame sensor is one of the most common reasons why a furnace refuses to turn or stay on. Dirty filters, closed or blocked vents and other blockages in airflow are common causes of an overheated furnace. After cleaning or replacing the flame sensor, your furnace should return to.

Before You Start Working On The Furnace, You Need To Cut The Power.


Clear out any dust in the electronic igniter and furnace pilot before replacing the sensor. Unless you are completely comfortable tinkering with a furnace, we suggest leaving the cleaning to a professional hvac maintenance crew. Then, skipping the cleaning part, proceed by mounting the new furnace flame sensor by doing the above steps now in reverse.

Cleaning The Flame Sensor With Sandpaper Can Make It More Difficult For The Component To Successfully Sense The Flame.


To clean the sensor, your local hvac professional will turn off the furnace and remove the sensor from the burner assembly. Clean the sensor with an emery cloth; Keeping the sensor clean is simple and requires just a few tools when you follow these easy steps.

Post a Comment for "Cleaning Heat Sensor In Furnace"