Chiller Water Temperature Controller

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.7%+35.0%36.7%
🇲🇽Mexico1.7%+10.0%11.7%
🇨🇦Canada1.7%+10.0%11.7%
🇩🇪Germany1.7%+10.0%11.7%
🇯🇵Japan1.7%+10.0%11.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9032.89Same rate: 36.7%

If for process industry temperature control

Industrial process regulators separate from HVAC controls.

8418.99.80Lower: 35% vs 36.7%

If integral chiller system components

Parts of refrigerating equipment in heading 8418.

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Import Tips & Compliance

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

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