R-449B — With a GWP of 1,296, R-449B is a non-flammable, non-ozone depleting (ODP = 0) alternative for R-404A. R-449B is a four-part refrigerant mixture consisting of HFC-32, HFC-125, HFC-134a, and HFO-1234yf. It has an A1 safety rating, which means it is nonflammable and harmless. Existing polyolester lubricants for R-404A can likewise be used effectively…
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