Cast Iron Plenum Chamber for Air Heater
A cast iron chamber that mixes and distributes hot air from the blower in non-electrically heated air heaters. Under HTS 7322.90.00.45 as a core part of hot air distributors with motor-driven fans. Designed for even pressure distribution to ductwork.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as standalone air duct components
Panels, ducting, and similar structures classified in 7308.
If for non-heating ventilation systems
General steel fabrications without heat distributor function.
If part of conditioned air distributors without heating
Pure ventilation parts may shift to Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include airflow simulation data or CAD files showing integration with blower
• Ensure cast iron certification; steel versions may alter documentation needs
Related Products under HTS 7322.90.00.45
Steel Air Mixing Damper for Hot Air Distributor
Adjustable steel damper blade blending hot and fresh air in distributors. HTS 7322.90.00.45 as part with motor-driven functionality. Actuator-compatible design.
Stainless Steel Blower Inlet Cone
Funnel-shaped stainless cone optimizing air entry to heater blowers. 7322.90.00.45 for distributor parts. Reduces turbulence.
Steel Vibration Isolator Mount for Air Heater
Rubberized steel mounts reducing blower vibration transmission. Part of 7322.90.00.45. Enhances durability.
Iron Exhaust Scroll Housing
Cast iron housing directing exhaust from air heater blowers. 7322.90.00.45 classification.
Steel Filter Frame for Hot Air Intake
Frame holding filters at air heater intake. HTS 7322.90.00.45.
Galvanized Access Panel for Air Distributor
Removable galvanized panel for maintenance access in distributors. Part of 7322.90.00.45.