Flame sensors are one of the more essential parts of a furnace that is responsible for preventing harmful gas buildup. This is because the flame sensor is a device that confirms the opening of a gas valve only when there is a fire. These sensors are a common component of the more modern furnaces. However, it is also a component that tends to have several issues that will require furnace repair in Katy, TX.
In most cases, technicians offering furnace installation in Katy, TX, in addition to other services, will opt to replace the flame sensor if it starts to cause problems. This can set a homeowner back by $350 to $500.
Why Do Flame Sensors Require Replacement?
Flame sensors, as with most components in the furnace, tend to sustain a fair amount of wear and tear. If flame sensors are not functioning, the furnace will start to emit gas even if there is nothing to ignite it. Therefore, it will increase hazardous gas.
However, in most cases, the flame sensor just requires cleaning rather than repairs. This causes the sensors to record the wrong readings. A dirty flame sensor will mean that it will shut down if there is a flame or not. If this is the case, you can hire furnace repair in Katy, TX, and clean the surface of the flame sensor.
How Do I Find Out When My Furnace Requires A New Flame Sensor?
Although you can call in a professional to test the flame sensor, you can also choose to test it out yourself. To carry out this, you have to do the following:
- Turn off the power to your furnace
- Shut the gas valve
- Remove the mounting screw
- Pull out the flame sensor carefully
- Inspect the sensor
The sensor has a porcelain portion which is also known as insulation. Determining whether the sensor is broken or requires cleaning depends on the state of this porcelain portion. With the inspection, you will be able to determine if the sensor requires replacement or cleaning.
If the sensor is dirty, the insulation around the sensor will be in one piece but will appear black due to the soot. In some cases, it may also have some corrosion which may require replacement depending on the degree to which it is corroded. If the flame sensor is indeed broken, it is likely that the insulation is cracked or is missing a certain portion. This will require a sensor replacement.
Whether your furnace needs a new flame sensor or just requires a cleaning service, technicians offering furnace installation in Katy, TX, state that the flame sensor requires replacement once in two to three years. This is essentially carried out as a preventive measure to not cause problems for the furnace in the future.
Therefore, if you are looking for a new flame sensor or a way to retain the old one, you will require professional help available at Air Mechanic Services. For top-notch services, call us at 281-220-9722