R-410A Certification Practice Questions - R-410A Safety Certification Exam

Can R-410A be used as a drop-in replacement for R-22?

Yes, with a new filter-drier. Yes, if the system is flushed first. No, R-410A systems have different components and operating pressures. Only in systems manufactured after 2010.

Correct Answer:

No, R-410A systems have different components and operating pressures.

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