Refrigerant R-422B — Freon™ NU-22B™ — component and lubricant compatibility
What is the replaces for Refrigerant R-422B — Freon™ NU-22B™ — component and lubricant compatibility?
For Refrigerant R-422B, replaces is R-22; ashrae safety class is A1; gwp is 2525 (2289); compatible lubricant is MO, AB, POE, verified against its source on 2026-08-11.
R-22 Replacements for Great choice in systems where changing to POE oil is not practical, Freon™ NU-22B™ R-422B A1 2525 (2289) MO, AB, POE A/C, Heat Pumps elastomeric seals require replacement.
— chemours.com, retrieved 2026-08-11
- Refrigerant
- R-422B verified
- Replaces
- R-22 verified
- Trade name(s)
- Freon™ NU-22B™ verified
- ASHRAE safety class
- A1 verified
- GWP
- 2525 (2289) verified
- Compatible lubricant
- MO, AB, POE verified
What epa.gov says
R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A
— epa.gov, retrieved 2026-08-11
Sources
- chemours.comhttps://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf
- epa.govhttps://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf