There Are Some Main Components Of Furnaces That You Must Know

Each component contained in the furnace has its respective functions to maximize the process of heat transfer to liquid. This article will discuss information about some furnace components along with their respective functions. However, if you’re looking for a residential furnace instead of this one, we recommend you to read gas furnace prices reviews.

Here are the furnace components and their functions:


The function of the instrumentation is to regulate the processes that are taking place in the furnace such as knowing the temperature of the oil is heated.

The following instrumentation tools on the furnace:

Temperature Detector.

The draft.

Sampling connection.

Chimney (stack)

It serves as a disposal site for combustion gases. Usually, the height of the chimney is determined by calculating the draft in the combustion chamber so that the gases from the exhaust do not pollute the surrounding air.

Soot Blower

This tool serves to blow and remove soot or metal compounds and other impurities that stick to the surface of the pipe because this dirt can inhibit the process of heat transfer. By doing this, soot will be wasted through a chimney with combustion gas.

Wall Furnace and Insulation

Generally, the walls in the furnace are made of various layers, the outer layer is made of steel plates and the inner layer is coated with heat-resistant and fire-resistant insulation. The function of insulation is to minimize heat loss through the furnace wall.


This device is the most important part in the furnace structure because this component serves as a place for the flow of fluid to be heated. The tubes are arranged in such a way and are connected to each other by a U connection. The fluid to be heated flows in the tube then goes to the hot convection area and descends into the radiation area and then it will come out as a hot fluid.


As the name implies, the burner functions to carry out combustion in fuels consisting of a mixture of gas and air. Gas and air must mix well in a certain amount so that the combustion process can occur properly. If the fuel is liquid (fuel oil) then it is first heated so that the vapor can come in contact with air so that it will be more flammable.

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