Description
Harp refrigerant Gas 404A
Harp® 404A is a zero ozone depletion (ODP) hydrofluorocarbon
(HFC) refrigerant blend. Harp® 404A is a ternary blend of R125,
R143a and R134a (44%/52%/4%). It has been formulated to
closely match the properties of CFC R502. It is widely used in
new equipment that would have previously used R502 and
can with specific modifications be retrofitted into exiting R502
equipment.