Armstrong A4AC6 Service Valve Assembly from Japan
The Armstrong A4AC6 service valve assembly allows refrigerant charging, evacuation, and pressure testing on air conditioning condensing units while maintaining system integrity. Classified under HTS 8415.90.80 as access fittings for temperature/humidity control elements.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.1015%Section 232: ag equipment + residential HVAC, MFN<15% — 15% ceiling (Annex III addition)
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Schrader vs flare connections require specific torque specs documentation
• Pressure/temperature ratings must match system design pressures (700psi+)
• Cap seals and o-ring materials affect leak rate certifications