R404A is a HFC blend, used as a replacement for R502 and
R22 in low and medium temperature refrigeration
applications. Although it is a popular refrigerant, with a
GWP above 2500, the Use of R404A is now prohibited in
new equipment and restricted in pre-existing equipment.
Reclaimed R404A is still permitted until 2030 for servicing
equipment already running on R404A and is an option for
those with systems above 40T CO2 Equivalent
(approximately 10kgs of R404A).
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