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A flame sensor is a safety mechanism installed on gas furnaces. It is located directly between the burners and the gas supply. When your gas kicks on, the flame sensor MUST detect a flame. This safety mechanism is to prevent your house from filling up with un-lit gas. Even if your burners are igniting, if your Flame Sensor is dirty (covered in carbon from typical use) it will fault out, thus shutting off the furnace over and over. If this is the case, your furnace will kick on every 2 minutes (because the thermostat tells it your house is too cold) and then will shut off after 5 or 10 seconds as a result of the Flame Sensor Fault.
What else can I help you with?
Where is the flame sensor located on a furnace?
The flame sensor on a furnace is typically located near the burner assembly, usually positioned in the path of the flame.
What does a Flame sensor in a hot surface ignition furnace do?
It tells the furnace that it lit... Hence the name Flame Sensor.
How does a flame eye in a boiler work?
A flame eye in a boiler works by detecting the presence or absence of a flame in the combustion chamber. It uses a sensor that measures the UV light emitted by the flame. If the flame is extinguished, the flame eye will signal the control system to shut off the fuel supply to prevent unsafe conditions.
How does flame rectification works in a gas furnace?
Flame rectification in a gas furnace involves using an electrical signal to detect the presence of a flame. When a flame is established, the electrical properties of the flame change, allowing the sensor to confirm its presence. This signal is used by the control system to ensure the furnace continues to operate safely and efficiently.
Where is the flame sensor located on my furnace?
The flame sensor on your furnace is typically located near the burner assembly, close to where the flame ignites. It is a small metal rod that detects the presence of a flame and signals the furnace to continue operating.
How does a flame sensor in a water heater ensure safe and efficient operation?
A flame sensor in a water heater detects if the burner flame is lit. If the flame goes out, the sensor shuts off the gas supply to prevent gas leaks and potential hazards. This ensures safe and efficient operation by monitoring the presence of the flame and preventing the heater from running without it.
What is the purpose of a flame sensor?
A flame sensor is a program used to detect "flame" on various blogs or comment boxes. Various Websites may use these sensors to dish out trolls or other internet vermin. On the other hand a flame sensor is also a device used in machines that are subject to very high temperatures. For example, a flame sensor is standard in many home ovens. So this in fact is a very useful safty feature.l
Where is the flame sensor located in a typical heating system?
The flame sensor in a typical heating system is usually located near the burner assembly or pilot light.
What is the function of the water heater flame sensor and how does it contribute to the safe and efficient operation of the water heater?
The water heater flame sensor detects if the burner flame is lit. If the flame goes out, the sensor shuts off the gas supply to prevent a dangerous gas leak. This ensures the water heater operates safely and efficiently by only allowing the burner to function when the flame is present.
What are the common symptoms and troubleshooting steps for a furnace issue related to a bad flame sensor?
Common symptoms of a furnace issue related to a bad flame sensor include the furnace not staying on, frequent cycling on and off, or the furnace not producing heat. Troubleshooting steps for this issue include cleaning the flame sensor with steel wool, checking the sensor's alignment, and ensuring the sensor is securely connected to the furnace.
Furnace on and off few seconds after?
check your flame sensor
How do you clean a FLAME SENSOR?
Clean it using steel wool.
