What’s happening with the refrigerant blend hydrofluorocarbon (HFC)-410A (R-410A)? To answer that question, let’s start with a little background. Hydrochlorofluorocarbon (HCFC)-22, also known as R-22, ...
New equipment is designed, rated, and approved by UL, ASME, building codes, etc., to handle the higher operating pressures that will be seen with R-410A. The safety factors used for pressure relief ...
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