Heil H4A7C Vibration Isolator Mounts from Canada
Heil H4A7C rubber/steel vibration isolators reduce compressor noise and vibration transmission in rooftop packaged air conditioning units for stable temperature operation. Under HTS 8415.90.80 as mounting components dedicated to AC machines.
Duty Rate — Canada → 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
• Deflection/load ratings must match compressor specifications exactly
• Neoprene vs EPDM compounds affect ozone/UV resistance documentation
• Pre-compression settings prevent installation failures