Environment & Ecology · Environmental Engineering
When retrofitting a CFC-12 automotive air conditioning system to an HFC-134a system, which two items must be installed to meet EPA regulations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Label and the condenser
- 2Compressor and O-rings
- 3Fitting adaptors and the drier
- 4Fitting adaptors and a unique retrofit label✓
Correct answer
Fitting adaptors and a unique retrofit label
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