R-422B Refrigerant (HFC, R-22 Replacement)

R-422B Refrigerant – Reliable R-22 Service Blend

R-422B refrigerant is an HFC blend engineered as a cost-effective service replacement for R-22. It is commonly used in both residential and commercial systems where R-22 is no longer available or allowed. R-422B provides similar cooling performance while eliminating ozone depletion potential, making it a practical option for contractors servicing older equipment.

Common Applications

  • Residential and light-commercial A/C systems originally charged with R-22
  • Medium-temperature refrigeration units
  • Service and maintenance of legacy cooling systems

Cylinder Sizes & Packaging

  • 25 lb cylinder (standard service size)

Key Advantages

  • Drop-in replacement for many R-22 systems with minimal modifications
  • Zero ozone depletion potential
  • Lower discharge temperatures than R-22, helping extend compressor life

Important Notes

  • Not identical to R-22: While designed for retrofits, system adjustments (such as oil compatibility checks) may be required.
  • Primarily for servicing existing systems: Not used in new OEM equipment.
  • Certification: EPA Section 608 certification may be required for purchase.

Considering other retrofit options? Compare R-421A or R-438A as additional R-22 replacement blends.

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