Air heaters, not electrically heated, incorporating a motor-driven fan or blower
Part of: 73229000 — Other, including parts
N349141 · 2025-05-27 — The tariff classification of the Hydronic S3 and Airtronic S3/M3 from Poland
The first item under consideration is identified as the Eberspacher Hydronic S3 and is described as a fuel-operated preheater for vehicle coolant. It is marketed for use in motorized vehicles, marine vessels, heavy machinery, etc., and designed to operate independently from the vehicle’s main engine. On its website, Eberspacher describes the Hydronic S3 as a sealed assembly whose main components include a control unit, flame sensor, water sensor, combustion chamber, and convector housing, which is described as an outer housing that surrounds the combustion chamber. Heat is generated by…
N285309 · 2017-05-05 — The tariff classification of vehicle heaters and defrosters from Canada
Technical drawings of each product were submitted with your request. Under consideration are five heating and defrosting units that serve to direct and distribute hot air in multiple compartments throughout the interior of transit buses. They are not used to preheat the engine of the bus, nor are they used in conjunction with the vehicle A/C systems. The non-electric heaters and defrosters are designed for use on buses with water/glycol based heating systems. The electric heaters and defrosters are designed for use on hybrid-electric buses and are connected to the electrical system of the…
N285144 · 2017-05-01 — The tariff classification of a vehicle heater unit from Canada
The product under consideration, identified as a “Heater Unit 24V,” is a nonelectric heater designed for use in transit buses to provide forced cabin heat or defrost at variable speeds. The unit weighs 26 lbs. and consists primarily of a heater core/coil and a motor-driven fan/blower encased in a steel box. It is bolted to the floor of the bus and connected with two heater hoses, which enable glycol (hot coolant) from the engine to circulate to the heater core. The centrifugal fan/blower assembly within the heater includes an electric motor that is connected to a dashboard-mounted switch. To…
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…
N241951 · 2013-05-31 — The tariff classification of air heaters from Canada
The merchandise under consideration is several large industrial air handling units, identified as the AW-I-3 series, the PMI-IF series and the AW-D series. The units are constructed primarily of galvanized or galvannealed steel with copper and aluminum heating and cooling coils. Each unit contains a blowing device integral to the unit. The AW-I-3 and PMI-IF series are indirect gas fired furnaces and make-up air units. The AW-D series is a direct gas fired make-up air unit. The AW-I-3 series and the PMI-IF series incorporate internal exhaust flues for burnt gases. The AW-I-3 series features an…
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