R-408A Refrigerant

R-408A Refrigerant for R-502 Retrofits (MT/LT)

R-408A (FX-10) is an A1 (non-flammable) HCFC blend used to service or retrofit legacy R-502 medium- and low-temperature systems—supermarket racks, walk-ins, and display cases. It offers familiar performance, very low blend glide (near-azeotropic), and broad lubricant compatibility (MO/AB/POE) per OEM guidance. Charge as liquid. It's common alternative is R-422C

AAA Refrigerant supplies R-408A in 24 lb cylinders (single and pallets) and 100 lb cylinders. All R-408A items are available in-stock — with free nationwide shipping.

Available Package Sizes

• 24 lb cylinder
• ¼ pallet – 10 × 24 lb cylinders
• ½ pallet – 20 × 24 lb cylinders
• Full pallet – 40 × 24 lb cylinders
• 100 lb cylinder

Note: Stationary commercial refrigeration only; not MVAC. Use liquid charging and proper dew/bubble references. Follow OEM retrofit bulletins for TXV, driers, seals, and any oil adjustments.