Steel Air Heater Plenum Box from Japan
A welded steel plenum chamber that connects non-electric air heaters to ductwork in commercial buildings. It houses mixing dampers for hot air distribution and is a part of the air heater system. The plenum is made of steel and is not electrically heated.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the plenum is a dedicated part of a non-electric air heater, not a general HVAC component
• Provide a detailed description of the air heater system it belongs to
• Be prepared to show that the plenum is not a self-contained air handling unit