Refrigerant R-404A is a zero ozone depletion near azerotropic blend of HFC refrigerants R-125, R-143a, and R-134a. R-404A is the ultimate and long term HFC zero ozone depletion replacement for refrigerant R-502. The properties closely match the properties of R-502. New system manufacturers have approved R-404A for the refrigerant in their new equipment.
DISCOUNT REFRIGERANTS, INC.
PO Box 370676
Denver, CO 80237
303-337-6015 phone
303-568-7959 fax