8538.90.30.00/HVAC Zone Controller Expansion Module/Mexico

HVAC Zone Controller Expansion Module from Mexico

Printed circuit assembly expanding input/output capacity of HVAC zone controllers under heading 8537, with temperature sensor interfaces and damper actuator drivers. It enables multi-zone climate control functionality. Under 8538.90.3000 as dedicated part for heading 8537 apparatus.

Duty Rate — Mexico → United States

13.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Provide BACnet/LON protocol specifications and compatible controller model lists

• Include sensor calibration data and wiring diagrams

• Ensure documentation excludes home automation protocols that might suggest residential classification