Radiators for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors which can also distribute fresh or conditioned air), not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel:
Part of: 73 — Articles of iron or steel
N351783 · 2025-08-25 — The tariff classification of components of a heat exchanger sub-assembly from Canada
The merchandise under consideration is described as a Heat Exchanger Sub-assembly, Model # 336770-707. Each sub-assembly consists of 1 containment plate, 1 liner tube sheet, 45 tubes, and 45 turbulators - all made of stainless steel. The components are shipped individually in bulk shipping containers in the required quantities of components needed to create the total number of sub-assemblies ordered. The components are not imported in retail packaging. The containment plate is used to secure the tubes within the heat exchanger. The liner tube sheet is a plate with a specific number of holes…
N348487 · 2025-05-21 — The tariff classification of hydronic radiant cooling and heating systems from Canada
Technical information was submitted with your request. The items under consideration are described as hydronic radiant cooling and heating systems that consist of ceiling or wall-mounted panels that heat or cool indoor spaces by circulating chilled or heated water through affixed tubing. The systems are integrated with and rely on a building’s central boiler, chiller, or heat pump system. During operation, the systems receive water and circulate it through a network of copper pipes affixed to aluminum or steel paneling. As the water circulates, heat is transferred to or from the panel…
N246181 · 2013-10-21 — The tariff classification of a box heater assembly from China
The merchandise under consideration is identified as a “Box Heater Assembly” designed for use in various motor vehicle applications to provide forced cabin heat or defrost at variable speeds. Its main components include a heater core with a housing of galvanized steel, an aluminum fan blade, a 12 volt electric motor, and a variable speed switch. The box heater assembly can be mounted in any location that does not obstruct the heater hose connections to the vehicle engine; however, it is most often affixed to the vehicle floor. To generate heat the engine coolant circulates through the heater…
N198756 · 2012-01-19 — The tariff classification of heater assemblies from an unknown country
A specification sheet for the Stoker Series Marine Heaters and a Marine Heater Installation Guide were submitted for our review. Based on the information available, the country of origin of the heater assemblies was not provided to our office. The article under consideration is identified as a Marine Heater Assembly. You stated in your letter that the heater assembly “is designed to be used in the marine industry to provide forced cabin heat at variable speeds on a marine craft…The heater assembly main components include a heater blower, heater core, duct face plate, ignition projected…
N177255 · 2011-08-15 — The tariff classification of a Brooder Heater
S.P. Equipment Company, Ltd., you requested a tariff classification ruling on merchandise which you plan to export to Thailand. Descriptive literature, pictures and product specifications were submitted for our review. The product under consideration is identified in your letter as a “Brooder Heater for raising baby chickens under our Product Code Guardian 250, Part # AW250BHPE120147.” The Brooder Heater is described in the literature as a Guardian™ forced air heater that provides consistent, dependable heat for poultry environments. The Guardian 250 has a heat output ranging from 160,000 to…
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