Boilers; parts of central heating boilers (excluding those of heading no. 8402)

HS code 840390 covers a critical component of modern heating and power generation systems - boilers and their parts. These devices play a vital role in converting various fuels into thermal energy, which is then used to heat buildings, generate steam, or produce electricity. The boiler industry is a significant contributor to the global economy, supporting a wide range of industries, from residential and commercial construction to manufacturing and power generation.

The production of boilers and their parts typically involves a combination of metalworking, welding, and assembly techniques. Manufacturers begin by cutting, shaping, and forming the necessary metal components, such as the pressure vessel, furnace, and heat exchangers. These parts are then carefully assembled and welded together to create the boiler's structure. Specialized equipment, such as computerized numerical control (CNC) machines and robotic welding systems, are often used to ensure precision and efficiency in the manufacturing process.

The boiler industry relies on a variety of raw materials and resources, including steel, cast iron, and other metals for the construction of the boiler components. Additionally, the industry requires specialized equipment, such as welding machines, cutting tools, and assembly fixtures. Skilled labor, including engineers, technicians, and fabricators, is also a critical input for the production of high-quality boilers and their parts.

Boilers and their parts produced under HS code 840390 are primarily used in 8402 Boilers, steam generating and 8403 Central heating boilers, which are essential for heating and power generation in a wide range of applications, including residential, commercial, and industrial settings. The output of this industry also supports the production of 8401 (Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation) and 8404 Auxiliary plant for use with boilers of heading 8402 or 8403; condensers for steam or other vapour power units.