SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

Soft-drawn ACR copper tubing joined with a 45-degree flare fitting is generally limited to which field use?

Factory-charged line-set and equipment connections where the fitting is listed for the refrigerant and pressure Concealed joints inside a fire-rated shaft serving Group A2L refrigerant Any joint on R-410A as a substitute for brazing Underground refrigerant piping without a protective sleeve

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Factory-charged line-set and equipment connections where the fitting is listed for the refrigerant and pressure

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