HVAC Zone Controller Expansion Module from Canada
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 — Canada → United States
13.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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