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Chiller Water Temperature Controller from Mexico

Automatically controls chilled water temperature in commercial HVAC chiller plants by modulating valves and pumps based on supply/return temperature differentials. Classified in HTS 9032.89.6025 for regulating air conditioning system parameters. Used in large building cooling systems.

Duty Rate — Mexico → United States

11.7%

Rate breakdown

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

Import Tips

Provide PID control algorithm specifications to prove automatic regulation

Include sensor accuracy certifications (±0.1°C typical)

Don't confuse with manual controllers; emphasize closed-loop automatic operation