Ceramic Flame Sensor

A ceramic flame sensor is a device used to detect the presence of a flame in a gas-fired appliance. It typically consists of a small ceramic rod that is inserted into the pilot flame of the appliance. When the pilot flame is lit, it heats up the ceramic rod, causing it to generate a small electrical current.

The electrical current generated by the ceramic flame sensor is used to confirm that there is a flame present in the appliance. If the flame goes out for any reason, the ceramic rod will cool down, and the electrical current will stop flowing. This signals the appliance to shut off the gas supply, preventing the buildup of dangerous gases.

Ceramic flame sensors are commonly used in gas-fired furnaces, boilers, water heaters, and other appliances that use a pilot light. They are preferred over other types of flame sensors because they are more durable and resistant to heat and corrosion. They also provide a more reliable signal than other sensors, which can be affected by environmental factors such as dust and humidity.

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