Seamless Refined Copper Heat Pump Refrigerant Tubing
Seamless refined copper tubing for residential heat pump refrigerant circuits. HTS 7411.10.10.90 covers non-heat exchanger seamless refined copper tubes. Standard for HVACR applications.
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Import Tips & Compliance
• ACR tubing specs (ASTM B280) required
• Refrigerant-clean certs mandatory
• Pre-bent shapes risk heat exchanger status
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