NU-22B (R-422B) Refrigerant – 25 lb Cylinder | AHRI-700 Certified R-22 Replacement

NU-22B (R-422B) Virgin Refrigerant is a non-ozone-depleting HFC blend designed as a direct replacement for R-22 in a wide range of air conditioning and refrigeration systems. Commonly marketed as NU-22B, this refrigerant is engineered for retrofit applications where reliable performance and minimal system modification are required.

Packaged in a 25 lb disposable cylinder, this 100% virgin refrigerant is manufactured to AHRI-700 purity standards, ensuring consistent quality, dependable system performance, and professional-grade reliability.

Key Features

• 100% Virgin R-422B (NU-22B) Refrigerant – Factory-sealed for maximum purity and performance.
• AHRI-700 Certified – Meets strict industry standards for refrigerant quality.
• R-22 Replacement Refrigerant – Designed for approved retrofit applications in existing systems.
• A1 Safety Classification – Non-flammable and low toxicity for safer handling.
• Reduced Environmental Impact – Zero ozone depletion potential (ODP) and lower GWP than R-22.
• Minimal System Modification in Many Applications – Often compatible with existing mineral or alkylbenzene oil systems (verify manufacturer guidance).
• Reliable Cooling Performance – Stable capacity across a wide range of operating conditions.
• 25 lb Disposable Cylinder – Ideal for HVACR service, maintenance, and retrofit work.

Ideal Applications

• Residential air conditioning systems
• Commercial HVAC systems
• Medium-temperature refrigeration
• Walk-in coolers and freezers
• Heat pumps
• R-22 retrofit conversions (approved applications only)

Product Specifications

Why Choose NU-22B (R-422B)?

NU-22B is a widely used retrofit solution for replacing R-22 in existing HVAC systems where full system replacement is not feasible. It offers dependable cooling performance, AHRI-700 certified purity, and safe A1 non-flammable characteristics, making it a practical option for technicians servicing legacy equipment.

Its compatibility in many retrofit scenarios helps reduce downtime and extends the usable life of installed systems while providing a more environmentally responsible alternative to R-22.